Professor and WVU Woodburn Fellow

Theoretical and Computational Plasma Physics

Department of Physics and Astronomy

West Virginia University

# Peer-Reviewed Publications, 2019 - 2021

"Structures in the terms of the Vlasov equation observed at Earth's magnetopause"

J. R. Shuster, D. J. Gershman, B. L. Giles, S. Wang, N. Bessho, L.-J. Chen, J. C. Dorelli, V. Uritsky, W. R. Paterson, P. A. Cassak, S. J. Schwartz, R. E. Denton, C. Schiff, A. F. Viñas, J. Ng, L. A. Avanov, D. E. da Silva, and R. B. Torbert

Accepted to Nature Physics, May 2021"Dissipation measures in weakly-collisional plasmas"

O. Pezzi, H. Liang, J. L. Juno, P. A. Cassak, C. L. Vásconez, L. Sorriso-Valvo, D. Perrone, S. Servidio, V. Roytershteyn, J. M. TenBarge, and W. H. Matthaeus

Accepted to MNRAS, May 2021

Available on arXiv"A faster form of electron magnetic reconnection with a finite length X-line"

P. S. Pyakurel, M.A. Shay, J.F. Drake, T.D. Phan, P.A. Cassak, and J.L. Verniero

Submitted to Physical Review Letters, March 2021"Scaling Theory of Three-Dimensional Magnetic Reconnection Spreading"

M. Arencibia, P. A. Cassak, M. A. Shay, and E. R. Priest

Submitted to Physics of Plasmas, March 2021"Energy flux densities near the electron dissipation region in asymmetric magnetopause reconnection"

J. P. Eastwood, M. V. Goldman, T. D. Phan, J. E. Stawarz, D. Newman, B. Lavraud, M. A. Shay, P. A. Cassak, J. F. Drake, R. E. Ergun, J. L. Burch, D. J. Gershman, B. L. Giles, P. A. Lindqvist, R. B. Torbert, R. J. Strangeway and C. T. Russell

Phys. Rev. Lett., 125, 265102 (2020)"Kinetic Entropy-Based Measures of Distribution Function Non-Maxwellianity: Theory and Simulations"

Haoming Liang, M. Hasan Barbhuiya, P. A. Cassak, O. Pezzi, S. Servidio, F. Valentini, G. P. Zank

Journal of Plasma Physics, 86, 825860502 (2020)

Available on arXiv

Data Link"Nascent Flux Rope Observations at Earth’s Dayside Magnetopause"

S. Eriksson, V. M. Souza, P. A. Cassak, and S. Hoilijoki

J. Geophys. Res., 125, e2020JA027919 (2020)Electron Inflow Velocities and Reconnection Rates at Earth’s Magnetopause and Magnetosheath"

J. L. Burch, J. M. Webster, M. Hesse, K. J. Genestreti, R. E. Denton, T. D. Phan, H. Hasegawa, P. A. Cassak, R. B. Torbert, B. L. Giles, D. J. Gershman, R. E. Ergun, C. T. Russell, R. J. Strangeway, O. Le Contel, K. R. Pritchard, A. T. Marshall, K.-J. Hwang, K. Dokgo, S. A. Fuselier, L.-J. Chen, S. Wang, M. Swisdak, J. F. Drake, M. R. Argall, K. J. Trattner, M. Yamada, and G. Paschmann

Geophys. Res. Lett., 47, e2020GL089082 (2020)"Particle Acceleration in Strong Turbulence in the Earth’s Magnetotail"

R. E. Ergun, N. Ahmadi, L. Kromyda, S. J. Schwartz, A. Chasapis, S. Hoilijoki, F. D. Wilder, P. A. Cassak, J. E. Stawarz, K. A. Goodrich, D. L. Turner, F. Pucci, A. Pouquet, W. H. Matthaeus, J. F. Drake, M. Hesse, M. A. Shay, R. B. Torbert, and J. L. Burch

Ap. J., 898, 153 (2020)"Magnetic Reconnection in the Space Sciences: Past, Present, and Future"

M. Hesse and P. A. Cassak

J. Geophys. Res., 125, e2018JA025935 (2020)

PDF Version

Part of the "Grand Challenges in the Earth and Space Sciences" Special Issue"Magnetic Reconnection in Three Dimensions: Modeling and Analysis of Electromagnetic Drift Waves in the Adjacent Current Sheet"

R. E. Ergun, S. Hoilijoki, N. Ahmadi, S. J Schwartz, F. D. Wilder, J. F. Drake, M. Hesse, M. A. Shay, H. Ji, M. Yamada, D. B. Graham, P. A. Cassak, J. L. Burch, R. B. Torbert, J. C. Holmes, J. E. Stawarz, K. A. Goodrich, S. Eriksson, R. J. Strangeway, O. Le Contel

J. Geophys. Res., 124, 10085 (2019)

PDF Version"Stationarity of the Reconnection X-Line at Earth’s Magnetopause for Southward IMF"

S. A. Fuselier, K. J. Trattner, S. M. Petrinec, K. R. Pritchard, J. L. Burch, P. A. Cassak, B. L. Giles, B. Lavraud, and R. J. Strangeway

J. Geophys. Res., 124, 8524 (2019)

PDF Version"MMS Multi-Point Analysis of FTE Evolution: Physical Characteristics and Dynamics"

M. Akhavan-Tafti, J. A. Slavin, J. P. Eastwood, P. A. Cassak, and D. J. Gershman

J. Geophys. Res., 124, 5376 (2019)

PDF Version"Decomposition of Plasma Kinetic Entropy into Position and Velocity Space and the Use of Kinetic Entropy in Particle-in-Cell Simulations"

Haoming Liang, Paul A. Cassak, Sergio Servidio, Michael A. Shay, James F. Drake, Marc Swisdak, Matthew R. Argall, John C. Dorelli, Earl E. Scime, William H. Matthaeus, Vadim Roytershteyn, and Gian Luca Delzanno

Phys. Plasmas, 26, 082903 (2019)

PDF Version

Available on arXiv"Transition from ion-coupled to electron-only reconnection: Basic physics and implications for plasma turbulence"

Prayash Sharma Pyakurel, Michael Shay, Tai Phan, William Matthaeus, James Drake, Jason TenBarge, Colby Haggerty, Kristopher Klein, Paul Cassak, Tulasi Parashar, Marc Swisdak, and Alexandros Chasapis

Phys. Plasmas, 26, 082307 (2019)

PDF Version"MMS Measurements of the Vlasov Equation: Probing the Electron Pressure Divergence within Thin Current Sheets"

Jason Shuster, Daniel Gershman, Li-Jen Chen, Shan Wang, Naoki Bessho, John Dorelli, Daniel da Silva, Barbara Giles, William Paterson, Richard Denton, Steven Schwartz, Cecilia Norgren, Frederick Wilder, Paul Cassak, Marc Swisdak, Vadim Uritsky, Conrad Schiff, Amy Rager, Suzanne Smith, Levon Avanov, Vinas Adolfo

Geophys. Res. Lett., 46, 7862 (2019)

PDF Version"Properties of magnetic reconnection and FTEs on the dayside magnetopause with and without positive IMF Bx component during southward IMF"

S. Hoilijoki, U. Ganse, D. Sibeck, P. Cassak, L. Turc, M. Battarbee, R. Fear, X. Blanco-Cano, A. Dimmock, E. Kilpua, R. Jarvinen, L. Juusola, Y. Pfau-Kempf, and M. Palmroth

J. Geophys. Res., 124, 4037 (2019)

PDF Version

A figure was used on the cover of the issue of JGR

## Peer-Reviewed Publications, 2016 - 2018

"The Transition between Anti-Parallel and Component Magnetic Reconnection at Earth's Dayside Magnetopause"

K. J. Trattner, J. L. Burch, P. A. Cassak, R. E. Ergun, S. Eriksson, S. A. Fuselier, B. L. Giles, R. G. Gomez, E. Grimes, S. M. Petrinec, J. Webster, F. Wilder

J. Geophys. Res., 123, 10,177 (2018)

PDF Version"Observational evidence of large-scale multiple reconnection at the Earth’s dayside magnetopause"

S. A. Fuselier, S. M. Petrinec, K. J. Trattner, J. Broll, J. L. Burch, B. L. Giles, R. M. Strangeway, C. T. Russell, B. Lavraud, M. Øieroset, R. B. Torbert, C. J. Farrugia, S. K. Vines, R. G. Gomez, J. Mukherjee, and P. A. Cassak

J. Geophys. Res., 123, 8407 (2018)

PDF Version"The Reduction of Magnetic Reconnection Outflow Jets to Sub-Alfvenic Speeds"

C. C. Haggerty, M. A. Shay, A. Chasapis, T. D. Phan, J. F. Drake, K. Malakit, P. A. Cassak, and R. Kieokaew

Phys. Plasmas, 25, 102120 (2018)

PDF Version

Supplementary Material

Available on arXiv"Cavitons and spontaneous hot flow anomalies in a hybrid-Vlasov global magnetospheric simulation"

Xochitl Blanco-Cano, Markus Battarbee, Lucile Turc, Andrew P. Dimmock, Emilia K. J. Kilpua, Sanni Hoilijoki, Urs Ganse, David G. Sibeck, Paul A. Cassak, Robert C. Fear, Riku Jarvinen, Liisa Juusola, Yann Pfau-Kempf, Rami Vainio, and Minna Palmroth

Ann. Geophys., 36, 1081 (2018)

PDF Version"Localized and intense energy conversion in the diffusion region of asymmetric magnetic reconnection"

M. Swisdak, J. F. Drake, L. Price, J. L. Burch, P. A. Cassak, and T. D. Phan

Geophys. Res. Lett., 45, 5260 (2018)

PDF Version

Available on arXiv"Magnetic Reconnection, Turbulence, and Particle Acceleration: Observations in the Earth's Magnetotail"

R. E. Ergun, K. A. Goodrich, F. D. Wilder, N. Ahmadi, J. C. Holmes, S. Eriksson, J. E. Stawarz, R. Nakamura, K. J. Genestreti, M. Hesse, J. L. Burch, R. B. Torbert, T. D. Phan, S. J Schwartz, J. P. Eastwood, R. J. Strangeway, O. Le Contel, C. T. Russell, M. Argall, P.-A. Lindqvist, L. J. Chen, P. A. Cassak, B. L. Giles, J. C. Dorelli, D. Gershman, T. W. Leonard, B. Lavraud, A. Retino, W. Matthaeus, and A. Vaivads

Geophys. Res. Lett., 45, 3338 (2018)

PDF Version"On the collisionless asymmetric magnetic reconnection rate"

Yi-Hsin Liu, M. Hesse, P. A. Cassak, M. A. Shay, S. Wang, and L.-J. Chen

Geophys. Res. Lett., 45, 3311 (2018)

PDF Version

Available on arXiv"Electron Magnetic Reconnection Without Ion Coupling in Earth's Turbulent Magnetosheath"

T. D. Phan, J. P. Eastwood, M. A. Shay, J. F. Drake, B. U. O. Sonnerup, M. Fujimoto, P. A. Cassak, M. Oieroset, J. L. Burch, R. B. Torbert, A. C. Rager, J. C. Dorelli, D. J. Gershman, C. Pollock, P. S. Pyakurel, C. Haggerty, Y. Khotyaintsev, B. Lavraud, M. Oka, R. E. Ergun, A. Retino, O. Le Contel, M. R. Argall, B. L. Giles, T. E. Moore, F. D. Wilder, R. J. Strangeway, C. T. Russell, and P. A. Lindqvist

Nature, 557, 202 (2018)

Feature by NASA about the paper"Assessing time dependence of reconnection with Poynting's theorem in MMS observations"

K. J. Genestreti, P. A. Cassak, A. Varsani, J. L. Burch, R. Nakamura, and S. Wang

Geophys. Res. Lett., 45, 2886 (2018)

PDF Version"MMS observation of asymmetric electron-scale reconnection driven by 3-D electron pressure divergence"

K. J. Genestreti, A. Varsani, J. L. Burch, P. A. Cassak, R. B. Torbert, R. Nakamura, R. E. Ergun, T. D. Phan, S. Toledo-Redondo, M. Hesse, S. Wang, B. L. Giles, C. T. Russell, Z. Voros, K.-J. Hwang, J. P. Eastwood, B. Lavraud, C. P. Escoubet, R. C. Fear, Y. Khotyaintsev, T. K. M. Nakamura, J. M. Webster, and W. Baumjohann

J. Geophys. Res., 123, 1806 (2018)

PDF Version

Available on arXiv"Localized Oscillatory Dissipation in Magnetopause Reconnection"

James Burch, Robert Ergun, Paul Cassak, James Webster, Roy Torbert, Barbara Giles, John Dorelli, Amy Rager, Kyoung-joo Hwang, Tai Phan, Kevin Genestreti, Robert Allen, Li-Jen Chen, Shan Wang, Daniel Gershman, Olivier Le Contel, Christopher Russell, Robert Strangeway, Frederick Wilder, Daniel Graham, Michael Hesse, James Drake, Marc Swisdak, Lora Price, Michael Shay, Per-Arne Lindqvist, Craig Pollock, Richard Denton and David Newman

Geophys. Res. Lett., 45, 1237 (2018)

PDF Version

Available on arXiv"Super-Alfvenic Propagation and Damping of Reconnection Onset Signatures"

P. Sharma Pyakurel, M. A. Shay, C. C. Haggerty, T. N. Parashar, J. F. Drake, P. A. Cassak, S. P. Gary

J. Geophys. Res., 123, 341 (2018)

PDF Version"Spacecraft observations of oblique electron beams breaking the frozen-in law during asymmetric reconnection"

J. Egedal, A. Le, W. Daughton, B. Wetherton, P. A. Cassak, J. L. Burch, B. Lavraud, J. Dorelli, D. J. Gershman, and L. A. Avanov

Phys. Rev. Lett., 120, 055101 (2018)

PDF Version"The effect of a guide field on local energy conversion during asymmetric magnetic reconnection: Particle-in-cell simulations"

P. A. Cassak, K. J. Genestreti, J. L. Burch, T.-D. Phan, M. A. Shay, M. Swisdak, J. F. Drake, L. Price, S. Eriksson, R. E. Ergun, B. J. Anderson, V. G. Merkin and C. M. Komar

J. Geophys. Res., 122, 11523 (2017)

PDF Version"The effect of a guide field on local energy conversion during asymmetric magnetic reconnection: MMS observations"

K. J. Genestreti, J. L. Burch, P. A. Cassak, R. B. Torbert, R. E. Ergun, T. D. Phan, B. L. Giles, C. T. Russell, S. Wang, M. Akhavan-Tafti, R. C. Allen, A. Varsani

J. Geophys. Res., 122, 11342 (2017)

PDF Version

Available on arXiv"Turbulence Associated with Magnetopause Reconnection"

L. Price, M. Swisdak, J. F. Drake, J. L. Burch, P. A. Cassak, and R. E. Ergun

J. Geophys. Res., 122, 11086 (2017)

PDF Version

Available on arXiv"Scaling the ion inertial length and its implications for modeling reconnection in global simulations"

G. Toth, Y. Chen, T. I. Gombosi, P. A. Cassak, S. Markidis, and I. Peng

J. Geophys. Res., 122, 10336 (2017)

PDF Version"Global three-dimensional simulation of Earth's dayside reconnection using a two-way coupled magnetohydrodynamics with embedded particle-in-cell model: initial results"

Y. Chen, G. Toth, P. A. Cassak , X. Jia, T. I. Gombosi, J. Slavin, S. Markidis, I. B. Peng, V. K. Jordanova, and M. G. Henderson

J. Geophys. Res., 122, 10318 (2017)

PDF Version

Available on arXiv"Transition from global to local control of dayside reconnection from ionospheric-sourced mass loading"

B. Zhang, O. Brambles, P. A. Cassak, J. Ouellette, M. Wiltberger, W. Lotko, and J. Lyon

J. Geophys. Res., 122, 9474 (2017)

PDF Version"Structure of exhausts in magnetic reconnection with an X-line of finite extent"

L. S. Shepherd, P. A. Cassak, J. F. Drake, J. T. Gosling, T.-D. Phan, and M. A. Shay

Ap. J., 848, 90 (2017)

PDF Version"A Review of the 0.1 Reconnection Rate Problem"

P. A. Cassak, Y.-H. Liu, and M. A. Shay

J. Plasma Phys., 83, 715930501 (2017)

PDF Version

Available on arXiv"Effects of a Guide Field on the Larmor Electric Field and Upstream Electron Temperature Anisotropy in Collisionless Asymmetric Reconnection"

S. Ek-in, K. Malakit, D. Ruffolo, M. A. Shay, and P. A. Cassak

Ap. J., 845, 113 (2017)

PDF Version"Reconstruction of the electron diffusion region observed by the Magnetospheric Multiscale spacecraft: First results"

H. Hasegawa, B. U. O. Sonnerup, R. E. Denton, T.-D. Phan, T. K. M. Nakamura, B. L. Giles, D. J. Gershman, J. C. Dorelli, J. L. Burch, R. B. Torbert, C. T. Russell, R. J. Strangeway, P.-A. Lindqvist, Y. V. Khotyaintsev, R. E. Ergun, P. A. Cassak, N. Kitamura, and Y. Saito

Geophys. Res. Lett., 44, 4566 (2017)

PDF Version"Large-scale characteristics of reconnection diffusion regions and associated magnetopause crossings observed by MMS"

S. A. Fuselier, S. K. Vines, J. L. Burch, S. M. Petrinec, K. J. Trattner, P. A. Cassak, L.-J. Chen, R. E. Ergun, S. Eriksson, B. L. Giles, D. B. Graham, Yu. V. Khotyaintsev, B. Lavraud, W. S. Lewis, J. Mukherjee, C. Norgren, T.-D. Phan, C. T. Russell, R. J. Strangeway, R. B. Torbert, and J. M. Webster

J. Geophys. Res., 122, 5466 (2017)

PDF Version"Kinetic simulation of asymmetric magnetic reconnection with cold ions"

J. Dargent, N. Aunai, B. Lavraud, S. Toledo-Redondo, M. A. Shay, P. A. Cassak, and K. Malakit

J. Geophys. Res., 122, 5290 (2017)

PDF Version"Space Physics and Policy for Contemporary Society"

P. A. Cassak, A. G. Emslie, A. J. Halford, D. N. Baker, H. E. Spence, S. K. Avery, L. A. Fisk

J. Geophys. Res., 122, 4430 (2017) (Open Access)

PDF Version

Article in Eos about the paper"Drift Waves, Intense Parallel Electric Fields, and Turbulence Associated with Asymmetric Magnetic Reconnection at the Magnetopause"

R. E. Ergun, L. J. Chen, F. D. Wilder, N. Ahmadi, S. Eriksson, M. E. Usanova, K. A. Goodrich, J. C. Holmes, A. P. Sturner, D. M. Malaspina, D. L. Newman, R. B. Torbert, M. Argall, P.-A. Lindqvist, J. L. Burch, J. M. Webster, J. F. Drake, L. M. Price, P. A. Cassak, M. Swisdak, M. A. Shay, D. B. Graham, R. J. Strangeway, C. T. Russell, B. L. Giles, J. C. Dorelli, D. Gershman, L. Avanov, M. Hesse, B. Lavraud, O. Le Contel, A. Retino, T. D. Phan, M.V. Goldman, J. E Stawarz, S. J Schwartz, J. P. Eastwood, K.-J. Hwang, R. Nakamura, and S. Wang

Geophys. Res. Lett., 44, 2978 (2017)

PDF Version"Reconnection rates and X-line motion at the magnetopause: Global 2D-3V hybrid-Vlasov simulation results"

S. Hoilijoki, U. Ganse, P. A. Cassak, B. Walsh, H. Hietala, S. von Alfthan, and M. Palmroth

J. Geophys. Res., 122, 2877 (2017)

PDF Version"Elongation of Flare Ribbons"

Jiong Qiu, Dana Longcope, Paul Cassak, and Eric R. Priest

Ap. J., 836, 17 (2017)

PDF Version

Available on arXiv"Why does steady-state magnetic reconnection have a maximum local rate of order 0.1?"

Y.-H. Liu, M. Hesse, F. Guo, W. Daughton, H. Li, P. A. Cassak, and M. A. Shay

Phys. Rev. Lett., 118, 085101 (2017)

PDF Version"Local properties of magnetic reconnection in nonlinear resistive- and extended-magnetohydrodynamic toroidal simulations of the sawtooth crash"

M. T. Beidler, P. A. Cassak, S. Jardin, and N. Ferraro

Plasma Phys. Control Fusion, 59, 025007 (2017)

PDF Version"Observations of Hall reconnection physics far downstream of the X-line"

R. Mistry, J. P. Eastwood, C. C. Haggerty, M. A. Shay, T. D. Phan, H. Hietala, and P. A. Cassak

Phys. Rev. Lett., 117, 185102 (2016)

PDF Version"Spacecraft observations and analytic theory of crescent-shaped electron distributions in asymmetric magnetic reconnection"

J. Egedal, A. Le, W. Daughton, B. Wetherton, P. A. Cassak, L.-J Chen, B. Lavraud, R. B. Torbert, J. Dorelli, D. J. Gershman, and L. A. Avanov

Phys. Rev. Lett., 117, 185101 (2016)

PDF Version

Available on arXiv"Ion Larmor Radius Effects near a Reconnection X-line at the Magnetopause: THEMIS Observations and Simulation Comparison"

T. D. Phan, M. A. Shay, C. C. Haggerty, J. T. Gosling, J. P. Eastwood, M. Fujimoto, K. Malakit, F. S. Mozer, P. A. Cassak, M. Oieroset and V. Angelopoulos

Geophys. Res. Lett., 43, 8844 (2016)

PDF Version"Stable Reconnection at the Dusk Flank Magnetopause"

R. G. Gomez, S. K. Vines, S. A. Fuselier, P. A. Cassak, R. J. Strangeway, S. M. Petrinec, J. L. Burch, K. J. Trattner, C. T. Russell, R. B. Torbert, C. Pollock, D. T. Young, and W. S. Lewis

Geophys. Res. Lett., 43, 9374 (2016)

PDF Version"Particle-in-cell simulation study of the scaling of asymmetric magnetic reconnection with in-plane flow shear"

C. E. Doss, P. A. Cassak, and M. Swisdak

Phys. Plasmas, 23, 082107 (2016)

PDF Version

Available on arXiv"MMS observations of electron-scale filamentary currents in the reconnection exhaust and near the X-line"

T. D. Phan, J. P. Eastwood, P. A. Cassak, M. Oieroset, J. T. Gosling, D. J. Gershman, F. S. Mozer, M. A. Shay, M. Fujimoto, W. Daughton, J. F. Drake, J. L. Burch, R. B. Torbert, R. E. Ergun, L. J. Chen, S. Wang, C. Pollock, J. C. Dorelli, B. Lavraud, B. L. Giles, T. E. Moore, Y. Saito, L. A. Avanov, W. Paterson, R. J. Strangeway, C. T. Russell, Y. Khotyaintsev, P. A. Lindqvist, M. Oka, and F. D. Wilder

Geophys. Res. Lett., 43, 6060 (2016)

PDF Version"The Effects of Turbulence on Three-Dimensional Magnetic Reconnection at the Magnetopause"

L. Price, M. Swisdak, J. F. Drake, P. A. Cassak, J. T. Dahlin, and R. E. Ergun

Geophys. Res. Lett., 43, 6020 (2016)

PDF Version

Available on arXiv"Magnetospheric Multiscale Observations of Large-Amplitude, Parallel, Electrostatic Waves Associated with Magnetic Reconnection at the Magnetopause"

R. E. Ergun, J. C. Holmes, K. A. Goodrich, F. D. Wilder, J. E Stawarz, S. Eriksson, D. L. Newman, S. J. Schwartz, M. V. Goldman, A. P. Sturner, D. M. Malaspina, M. E. Usanova, R. B. Torbert, M. Argall, P.-A. Lindqvist, Y. Khotyaintsev, J. L. Burch, R. J. Strangeway, C. T. Russell, C. J. Pollock, B. L. Giles, J. J. C. Dorelli, L. Avanov, M. Hesse, L. J. Chen, B. Lavraud, O. Le Contel, A. Retino, T. D. Phan, J. P. Eastwood, M. Oieroset, J. Drake, M. A. Shay, P. A. Cassak, R. Nakamura, M. Zhou, M. Ashour-Abdalla, M. Andre

Geophys. Res. Lett., 43, 5626 (2016)

PDF Version"MMS Observations of Parallel Electric Fields Associated with Magnetic Reconnection"

R. E. Ergun, K. A. Goodrich, F. D. Wilder, J. C. Holmes, J. E. Stawarz, S. Eriksson, A. P. Sturner, D. M. Malaspina, M. E. Usanova, R. B. Torbert, P.-A. Lindqvist, Y. Khotyaintsev, J. L. Burch, R. J. Strangeway, C. T. Russell, C. J. Pollock, B. L. Giles, M. Hesse, L. J. Chen, G. Lapenta, M. V. Goldman, D. L. Newman, S. J. Schwartz, J. P. Eastwood, T. D. Phan, F. S. Mozer, J. Drake, M. A. Shay, P. A. Cassak, R. Nakamura, and G. Marklund

Phys. Rev. Lett., 116, 235102 (2016)

PDF Version"Magnetospheric Multiscale Observations of the Electron Diffusion Region of Large Guide Field Magnetic Reconnection"

S. Eriksson, F. D. Wilder, R. E. Ergun, S. J. Schwartz, P. A. Cassak, J. L. Burch, L.-J. Chen, R. B. Torbert, T. D. Phan, B. Lavraud, K. A. Goodrich, J. C. Holmes, J. E. Stawarz, A. P. Sturner, D. M. Malaspina, M. E. Usanova, K. J. Trattner, R. J. Strangeway, C. T. Russell, C. J. Pollock, B. L. Giles, M. Hesse, P.-A. Lindqvist, J. F. Drake, M. A. Shay, R. Nakamura, and G. T. Marklund

Phys. Rev. Lett., 117, 015001 (2016)

PDF Version"The local dayside reconnection rate for oblique interplanetary magnetic fields"

C. M. Komar and P. A. Cassak

J. Geophys. Res., 121, 5105, 2016

PDF Version

Available on arXiv"Electron-Scale Measurements of Magnetic Reconnection in Space"

J. L. Burch, R. B. Torbert, T. D. Phan, L.-J. Chen, T. E. Moore, R. E. Ergun, J. P. Eastwood, D. J. Gershman, P. A. Cassak, M. R. Argall, S. Wang, M. Hesse, C. J. Pollock, B. L. Giles, R. Nakamura, B. H. Mauk, S. A. Fuselier, C. T. Russell, R. J. Strangeway, J. F. Drake, M. A. Shay, Yu. V. Khotyaintsev, P.-A. Lindqvist, G. Marklund, F. D. Wilder, D. T. Young, K. Torkar, J. Goldstein, J. C. Dorelli, L. A. Avanov, M. Oka, D. N. Baker, A. N. Jaynes, K. A. Goodrich, I. J. Cohen, D. L. Turner, J. F. Fennell, J. B. Blake, J. Clemmons, M. Goldman, D. Newman, S. M. Petrinec, K. J. Trattner, B. Lavraud, P. H. Reiff, W. Baumjohann, W. Magnes, M. Steller, W. Lewis, Y. Saito, V. Coffey and M. Chandler

Science, 352, 6290 (2016)"Ion-scale secondary flux-ropes generated by magnetopause reconnection as resolved by MMS"

J. P. Eastwood, T. D. Phan, P. A. Cassak, D. J. Gershman, C. Haggerty, K. Malakit, M. A. Shay, R. Mistry, M. Oieroset, C. T. Russell, J. A. Slavin, M. R. Argall, L. A. Avanov, J. L. Burch, L. J. Chen, J. C. Dorelli, R. E. Ergun, B. L. Giles, Y. Khotyaintsev, B. Lavraud, P. A. Lindqvist, T. E. Moore, R. Nakamura, W. Paterson, C. Pollock, R. J. Strangeway, R. B. Torbert, and S. Wang

Geophys. Res. Lett., 43, 4716 (2016)

PDF Version"Kinetic signatures of the region surrounding the X-line in asymmetric (magnetopause) reconnection"

M. A. Shay, T. D. Phan, C. C. Haggerty, M. Fujimoto, J. F. Drake, K. Malakit, P. A. Cassak, and M. Swisdak

Geophys. Res. Lett., 43, 4145 (2016)

PDF Version

Available on arXiv"MMS observation of Hall currents and associated electron scattering and bouncing near the diffusion region at Earth’s magnetopause"

B. Lavraud, Y. C. Zhang, Y. Vernisse, D. J. Gershman, J. Dorelli, P. A. Cassak, J. Dargent, C. Pollock, B. Giles, N. Aunai, M. Argall, L. Avanov, A. Barrie, J. Burch, M. Chandler, L.-J. Chen, G. Clark, I. Cohen, V. Coffey, J. P. Eastwood, J. Egedal, S. Eriksson, R. Ergun, C. J. Farrugia, S. A. Fuselier, V. Genot, D. Graham, E. Grigorenko, H. Hasegawa, C. Jacquey, I. Kacem, Y. Khotyaintsev, E. MacDonald, W. Magnes, A. Marchaudon, B. Mauk, T. E. Moore, T. Mukai, R. Nakamura, W. Paterson, E. Penou, T. D. Phan, A. Rager, A. Retino, Z. J. Rong, C. T. Russell, Y. Saito, J.-A. Sauvaud, S. J. Schwartz, C. Shen, S. Smith, R. Strangeway, S. Toledo-Redondo, R. Torbert, D. L. Turner, S. Wang, and S. Yokota

Geophys. Res. Lett., 43, 3042 (2016)

PDF Version

Article in Eos about the paper"Subsolar Magnetopause Observation and Kinetic Simulation of a Tripolar Guide-Magnetic Field Perturbation Consistent with a Magnetic Island"

S. Eriksson, P. A. Cassak, A. Retino, and F. Mozer

Geophys. Res. Lett., 43, 3035 (2016)

PDF Version"Theory and Modeling for the Magnetospheric Multiscale Mission"

M. Hesse, N. Aunai, J. Birn, P. Cassak, R. E. Denton, J. F. Drake, T. Gombosi, M. Hoshino, W. Matthaeus, D. Sibeck, and S. Zenitani

Space Science Reviews, 199, 577 (2016)

PDF Version"Inside the Black Box - Magnetic Reconnection and the Magnetospheric Multiscale (MMS) Mission" (Featured Article)

P. A. Cassak

Space Weather, 14, 186 (2016) (Open Access)

PDF Version"Magnetospheric ion influence on magnetic reconnection at the duskside magnetopause"

S. A. Fuselier, J. L. Burch, P. A. Cassak, J. Goldstein, R. G. Gomez, K. Goodrich, W. S. Lewis, D. Malaspina, J. Mukherjee, R. Nakamura, S. M. Petrinec, C. T. Russell, R. J. Strangeway, R. B. Torbert, K. J. Trattner, P. Valek

Geophys. Res. Lett., 43, 1435 (2016)

PDF Version"Separator Reconnection at the Magnetopause for Predominantly Northward and Southward IMF: techniques and results"

A. Glocer, J. Dorelli, G. Toth, C. M. Komar, and P. A. Cassak

J. Geophys. Res., 120, 140 (2016)

PDF Version

## Peer-Reviewed Publications, 2004 - 2015

"Asymmetric magnetic reconnection with a flow shear and applications to the magnetopause"

C. E. Doss, C. M. Komar, P. A. Cassak, F. D. Wilder, S. Eriksson, and J. F. Drake

J. Geophys. Res., 120, 7748 (2015)

PDF Version

Available on arXiv"Fast Magnetic Reconnection Due to Anisotropic Electron Pressure"

P. A. Cassak, R. N. Baylor, R. L. Fermo, M. T. Beidler, M. A. Shay, M. Swisdak, J. F. Drake, and H. Karimabadi

Phys. Plasmas, 22, 020705 (2015)

PDF Version

Available on arXiv"Comparative analysis of dayside magnetic reconnection models in global magnetosphere simulations"

C. M. Komar, R. L. Fermo, and P. A. Cassak

J. Geophys. Res., 120, 276 (2015)

PDF Version

Available on arXiv"Observation of a Retreating X-Line and Magnetic Islands Poleward of the Cusp During Northward Interplanetary Magnetic Field Conditions"

F. D. Wilder, S. Eriksson, K. J. Trattner, P. A. Cassak, S. A. Fuselier and B. Lybekk

J. Geophys. Res., 119, 9643, 2014

PDF Version

Article in Eos about the paper"Electron Heating During Magnetic Reconnection: A Simulation Scaling Study"

M. A. Shay, C. C. Haggerty, T. D. Phan, J. F. Drake, P. A. Cassak, P. Wu, M. Oieroset, M. Swisdak, and K. Malakit

Phys. Plasmas, 21, 122902 (2014)

PDF Version

Available on arXiv"On the 3-D structure and dissipation of reconnection-driven flow-bursts"

J. F. Drake, M. Swisdak, P. A. Cassak, and T.-D. Phan

Geophys. Res. Lett., 41, 3710 (2014)

PDF Version

Available on arXiv"A New Electric Field in Asymmetric Magnetic Reconnection"

K. Malakit, M. A. Shay, P. A. Cassak, and D. Ruffolo

Phys. Rev. Lett., 111, 135001 (2013)

PDF Version

Available on arXiv"On the Cause of Supra-Arcade Downflows in Solar Flares"

P. A. Cassak, J. F. Drake, J. T. Gosling, T.-D. Phan, M. A. Shay and L. S. Shepherd

Ap. J. Lett., 775, L14, 2013 September 20

PDF Version

Available on arXiv"Tracing magnetic separators and their dependence on IMF clock angle in global magnetospheric simulations"

C. M. Komar, P. A. Cassak, J. C. Dorelli, A. Glocer, and M. M. Kuznetsova

J. Geophys. Res., 118, 4998, 2013

PDF Version

Available on arXiv"Spontaneous Ion Beam Formation in the Laboratory, Space, and Simulation"

J. Carr Jr., P. A. Cassak, M. Galante, A. M. Keesee, G. Lusk, R. M. Magee, D. McCarren, E. E. Scime, S. Sears, R. Vandervort, N. Gulbrandsen, M. Goldman, D. Newman, J. P. Eastwood

Phys. Plasmas, 20, 072118 (2013)

PDF Version"On Phase Diagrams of Magnetic Reconnection"

P. A. Cassak and J. F. Drake

Phys. Plasmas, 20, 061207 (2013)

PDF Version"Magnetic Reconnection for Coronal Conditions: Reconnection Rates, Secondary Islands and Onset"

P. A. Cassak and M. A. Shay

Space Science Reviews, 172, 283, 2012

PDF Version"Guide Field Dependence of 3D X-line Spreading During Collisionless Magnetic Reconnection"

L. S. Shepherd and P. A. Cassak

J. Geophys. Res., 117, A10101, 2012

PDF Version

Available on arXiv"Reconnection events in two-dimensional Hall magnetohydrodynamic turbulence"

S. Donato, S. Servidio, P. Dmitruk, V. Carbone, M. A. Shay, P. A. Cassak, and W. H. Matthaeus

Phys. Plasmas, 19, 092307 (2012)

PDF Version"Model for Incomplete Reconnection in Sawtooth Crashes"

M. T. Beidler and P. A. Cassak

Phys. Rev. Lett., 107, 255002 (2011)

PDF Version

Available on arXiv"Magnetic reconnection as an element of turbulence"

S. Servidio, P. Dmitruk, A. Greco, M. Wan, S. Donato, P. A. Cassak, M. A. Shay, V. Carbone, and W. H. Matthaeus

Nonlin. Processes Geophys., 18, 675, 2011

PDF Version"Theory and Simulations of the Scaling of Magnetic Reconnection with Symmetric Shear Flow"

P. A. Cassak

Phys. Plasmas, 18, 072106 (2011)

PDF Version"Scaling of the Magnetic Reconnection Rate with Symmetric Shear Flow"

P. A. Cassak and A. Otto

Phys. Plasmas, 18, 074501 (2011)

PDF Version"Estimates of Densities and Filling Factors from a Cooling Time Analysis of Solar Microflares Observed with RHESSI"

R. N. Baylor, P. A. Cassak, S. Christe, I. G. Hannah, Sam Krucker, D. J. Mullan, M. A. Shay, H. S. Hudson, and R. P. Lin

Ap. J., 736, 75, 2011 July 20

PDF Version

Available on arXiv"Three-dimensional simulations of the orientation and structure of reconnection X-lines"

R. Schreier, M. Swisdak, J. F. Drake, and P. A. Cassak

Phys. Plasmas, 17, 110704 (2010)

PDF Version

Available on arXiv"Scaling of asymmetric magnetic reconnection: Kinetic particle-in-cell simulations"

K. Malakit, M. A. Shay, P. A. Cassak, and C. Bard

J. Geophys. Res., 115, A10223, 2010

PDF Version"Magnetic Reconnection with Asymmetry in the Outflow Direction"

N. A. Murphy, C. R. Sovinec, and P. A. Cassak

J. Geophys. Res., 115, A09206, 2010

PDF Version

Available on arXiv"Comparison of secondary islands in collisional reconnection to Hall reconnection"

L. S. Shepherd and P. A. Cassak

Phys. Rev. Lett., 105, 015004 (2010)

PDF Version

Available on arXiv"A saddle-node bifurcation model of magnetic reconnection onset"

P. A. Cassak, M. A. Shay, and J. F. Drake

Phys. Plasmas, 17, 062105 (2010)

PDF Version"Statistics of Magnetic Reconnection in Two-Dimensional Magnetohydrodynamic Turbulence"

S. Servidio, W. H. Matthaeus, M. A. Shay, P. Dmitruk, P. A. Cassak, and M. Wan

Phys. Plasmas, 17, 032315 (2010)

PDF Version"Scaling of Sweet-Parker Reconnection with Secondary Islands"

P. A. Cassak, M. A. Shay, and J. F. Drake

Phys. Plasmas, 16, 120702 (2009)

PDF Version"The Impact of Microscopic Magnetic Reconnection on Pre-Flare Energy Storage"

P. A. Cassak and J. F. Drake

Ap. J. Lett., 707, L158-162, 2009 Dec 20

PDF Version"A magnetic reconnection mechanism for ion acceleration and abundance enhancements in impulsive flares"

J. F. Drake, P. A. Cassak, M. A. Shay, M. Swisdak, and E. Quataert

Ap. J. Lett., 700, L16-20, 2009 July 20

PDF Version"Ion Heating Resulting from Pickup in Magnetic Reconnection Exhausts"

J. F. Drake, M. Swisdak, T. D. Phan, P. A. Cassak, M. A. Shay, S. Lepri, R. P. Lin, E. Quataert, and T. H. Zurbuchen

J. Geophys. Res., 114, A05111, 2009

PDF Version"The Hall effect in magnetic reconnction: Hybrid vs. Hall-less hybrid simulations"

K. Malakit, P. A. Cassak, M. A. Shay, and J. F. Drake

Geophys. Res. Lett., 36, L07107 (2009)

PDF Version"Kinetic dissipation and anisotropic heating in a turbulent collisionless plasma"

T. N. Parashar, M. A. Shay, P. A. Cassak, and W. H. Matthaeus

Phys. Plasmas, 16, 032310 (2009)

PDF Version"Structure of the Dissipation Region in Fluid Simulations of Asymmetric Magnetic Reconnection"

P. A. Cassak and M. A. Shay

Invited DPP Paper

Phys. Plasmas, 16, 055704 (2009)

PDF Version"Magnetic Reconnection in Two-Dimensional Magnetohydrodynamic Turbulence"

S. Servidio, W. H. Matthaeus, M. A. Shay, P. A. Cassak and P. Dmitruk

Phys. Rev. Lett., 102, 115003 (2009)

PDF Version"Response to "Comment on `Scaling of Asymmetric Magnetic Reconnection: General Theory and Collisional Simulations' " [Phys. Plasmas 16, 034701 (2009)]

P. A. Cassak and M. A. Shay

Phys. Plasmas, 16, 034702 (2009)

PDF Version"The Scaling of Asymmetric Hall Reconnection"

P. A. Cassak and M. A. Shay

Geophys. Res. Lett., 35, L19102, 2008

PDF Version"From Solar and Stellar Flares to Coronal Heating: Theory and Observations of How Magnetic Reconnection Regulates Coronal Conditions"

P. A. Cassak, D. J. Mullan and M. A. Shay

Ap. J. Lett., 676, L69-L72, 2008, March 20

PDF Version

Available on arXiv"Scaling of Asymmetric Magnetic Reconnection: General Theory and Collisional Simulations"

P. A. Cassak and M. A. Shay

Phys. Plasmas, 14, 102114 (2007)

PDF Version"Onset of Fast Magnetic Reconnection"

P. A. Cassak, J. F. Drake, M. A. Shay and B. Eckhardt

Phys. Rev. Lett., 98, 215001 (2007)

PDF Version"Catastrophic Onset of Fast Magnetic Reconnection with a Guide Field,"

P. A. Cassak, J. F. Drake, and M. A. Shay

Phys. Plasmas, 14, 054502 (2007)

PDF Version"A Model for Spontaneous Onset of Fast Magnetic Reconnection,"

P. A. Cassak, J. F. Drake, and M. A. Shay,

Ap. J., 644, L145-L148, 2006 June 20

PDF Version

Available on arXiv"Catastrophe Model for Fast Magnetic Reconnection Onset,"

P. A. Cassak, M. A. Shay, and J. F. Drake,

Phys. Rev. Lett., 95, 235002 (2005)

PDF Version

Available on arXiv"The CISM Code Coupling Strategy,"

C. C. Goodrich, A. L. Sussman, J. G. Lyon, M. A. Shay, and P. A. Cassak,

Journal of Atmospheric and Solar-Terrestrial Physics, 66, 1469-1479 (2004)

PDF Version

## Peer-Reviewed Conference Proceedings

"Estimating Effective Collision Frequency and Kinetic Entropy Uncertainty in Particle-in-Cell Simulations"

Haoming Liang, P. A. Cassak, M. Swisdak, Sergio Servidio

Journal of Physics: Conference Series, 1620, 012009 (2020) - Proceedings for the 19th Annual International Astrophysics Conference"Overview on numerical studies of reconnection and dissipation in the solar wind"

S. Donato, S. Servidio, P. Dmitruk, F. Valentini, A. Greco, P. Veltri, M. Wan, M. A. Shay, P. A. Cassak, and W. H. Matthaeus

AIP Conf. Proc., 1539, 99 (2013) - Proceedings of the Solar Wind 13 Conference

PDF Version"Properties of magnetic reconnection in MHD turbulence"

S. Servidio, M. A. Shay, W. H. Matthaeus, P. Dmitruk, P. A. Cassak, and M. Wan

AIP Conf. Proc., 1216, 198 (2010) - Proceedings of the Solar Wind 12 Conference

PDF Version"Orszag Tang vortex - Kinetic study of a turbulent plasma"

T. N. Parashar, S. Servidio, M. A. Shay, W. H. Matthaeus, and P. A. Cassak

AIP Conf. Proc., 1216, 304 (2010) - Proceedings of the Solar Wind 12 Conference

PDF Version

## Book Chapters

"Reconnection at Earth's Dayside Magnetopause" (Chapter 6)

P. A. Cassak and S. A. Fuselier

in Magnetic Reconnection: Concepts and Applications, eds. W. D. Gonzalez and E. N. Parker

Astrophysics and Space Science Library 427, Springer, 2016

Online version"Fundamental Concepts Associated with Magnetic Reconnection" (Chapter 1)

W. D. Gonzalez, E. N. Parker, F. S. Mozer, V. M. Vasyliunas, P. L. Pritchett, H. Karimabadi, P. A. Cassak, J. D. Scudder, M. Yamada, R. M. Kulsrud, and D. Koga

in Magnetic Reconnection: Concepts and Applications, eds. W. Gonzalez and E. Parker

Astrophysics and Space Science Library 427, Springer, 2016

Online version

## Dissertations by Students

"Theory and Simulations of Incomplete Reconnection During Sawteeth Due to Diamagnetic Effects,"

M. T. Beidler

Doctoral Dissertation, West Virginia University, October 2015

PDF Version"The Nature of Magnetic Reconnection at the Dayside Magnetopause,"

C. M. Komar

Doctoral Dissertation, West Virginia University, May 2015

PDF Version"A Study of Magnetic Reconnection: From 2D Energy Release to 3D Spreading and Localization,"

L. S. Shepherd

Doctoral Dissertation, West Virginia University, August 2014

PDF Version

## Dissertation

"Catastrophe Model for the Onset of Fast Magnetic Reconnection,"

P. A. Cassak

Doctoral Dissertation, University of Maryland-College Park, December 2006

PDF Version

## Physical Chemistry/Nuclear Physics Peer-Reviewed Publications, 1997 - 2005

"Character Expansions for the Orthogonal and Symplectic Groups,"

A.B. Balantekin and P. Cassak,

J. Math. Phys. 43(1), 604-620 (2002)

PDF Version

Available on arXiv"Determination of structural parameters for ferrocenecarboxaldehyde using Fourier transform microwave spectroscopy,"

Ranga Subramanian, Chandana Karunatilaka, Riley O. Schock, Brian J. Drouin, Paul A. Cassak, and Stephen G. Kukolich,

J. Chem. Phys. 123, 054317 (2005)

PDF Version"Microwave Measurements and Calculations on Cyclopentadienyl Rhodium Dicarbonyl, A V10 Hindered Rotor,"

S.G. Kukolich, B.J. Drouin, P. Cassak and J.L. Hubbard,

Organometallics 17, 4105-4109 (1998)

PDF Version"Microwave Measurements of Rhenium Quadrupole Coupling in Cyclopentadienyl Rhenium Tricarbonyl,"

B.J. Drouin, P.A. Cassak and S.G. Kukolich

J. Chem. Phys. 108, 8878-8883 (1998)

PDF Version"Measurements of Structural and Quadrupole Coupling Parameters for Bromoferrocene Using Microwave Spectroscopy,"

Brian J. Drouin, T. Greg Lavaty, Paul A. Cassak and Stephen G. Kukolich

J. Chem. Phys. 107, 6541-6548 (1997)

PDF Version"Determination of Structural Parameters for the Half-Sandwich Compounds Cyclopentadienyl Thallium and Cyclopentadienyl Indium and Indium Quadrupole Coupling for Cyclopentadienyl Indium Using Microwave Spectroscopy,"

B.J. Drouin, P.A. Cassak, P.M. Briggs and S.G. Kukolich

J. Chem. Phys. 107, 3766-3773 (1997)

PDF Version"Measurements of Structural and Quadrupolar Coupling Parameters for 1-Chloroferrocene Using Microwave Spectroscopy,"

Brian J. Drouin, Paul A. Cassak and Stephen G. Kukolich

Inorg. Chem. 36, 2868-2871 (1997)

PDF Version

## Invited Presentations

"Kinetic-Scale Physics of Magnetic Reconnection in the MMS Era: Accomplishments and Future Challenges for Theoretical Research"

2020 APS Division of Plasma Physics Meeting, Invited Talk

Online, November 10, 2020

PDF of the talk"Kinetic Entropy as a Diagnostic in Particle-In-Cell Simulations of the Vlasov Equation"

Vlasovia 2019 (International Workshop on the Theory and Applications of the Vlasov Equation)

Strasbourg, France, July 22, 2019"Magnetic Field Lines Breaking in Space Causes Huge Eruptions"

Gettysburg College Physics Department Colloquium

Gettysburg, PA, January 25, 2019"Magnetic Reconnection and NASA's Magnetospheric Multiscale (MMS) Mission"

2018 Fall American Geophysical Union Meeting, Tutorial talk

Washington, DC, December 11, 2018"The Explosive Sun: A Cosmic Jekyll and Hyde and its Impacts on Earth"

2018 Benedum Distinguished Scholar Lecture, Invited talk

Morgantown, West Virginia, October 18, 2018""The Sun is a Miasma of Incandescent Plasma""

AAPT Appalachian Section Meeting, Invited talk

Morgantown, West Virginia, October 12, 2018"Are Fluid Simulations of Magnetic Reconnection In-A-Box Still Useful? (or Localized vs. Spreading of Three-dimensional Magnetic Reconnection with Solar, Solar Wind, and Magnetospheric Applications)"

13th International Symposium for Space Simulations, Invited talk

Los Angeles, California, September 12, 2018"Terminating the Turbulent Cascade: What’s Dissipation Got To Do With It?"

SHINE Workshop, Invited Scene Setting talk

Cocoa Beach, Florida, August 2, 2018"Solar and Helio Research Enabled by DKIST at the WVU Department of Physics and Astronomy"

DKIST Critical Science Plan Workshop 8, Invited talk

Bozeman, Montana, July 19, 2018"Reconnecting with Magnetic Reconnection"

Triennial Earth-Sun Summit, Invited plenary talk

Leesburg, Virginia, May 22, 2018"Recent Progress in Magnetic Reconnection from Theory and Simulations"

Triennial Earth-Sun Summit, Invited panelist

Leesburg, Virginia, May 21, 2018"Magnetic Reconnection with Asymmetries and Guide Fields"

Max Planck/Princeton Center for Plasma Physics Workshop 2018, Invited tutorial talk

Princeton, New Jersey, April 23, 2018"To Heliophysics and Beyond! NASA’s Magnetospheric Multiscale (MMS) Mission"

NASA Science Mission Directorate Monthly Status Review, Invited talk

Washington, DC, March 29, 2018"Opportunities for Kinetic Global Magnetospheric Simulations"

First International Vlasiator Science Hackathon, Invited talk

Helsinki, Finland, August 7, 2017"A Review of the 0.1 Reconnection Rate Problem"

1st Journal of Plasma Physics Frontiers in Plasma Physics Conference, Invited talk

Spineto, Italy, May 24, 2017"Local and Global Aspects of Dayside Reconnection"

Advancing Plasma Physics from the Sun to the Earth, Invited talk

Breckenridge, Colorado, May 22, 2017"Local Dayside Reconnection From A Global Perspective"

Magnetic Reconnection Workshop, Invited talk

Toulouse, France, May 9, 2017"A Summary of Results from Year 1 of the Magnetospheric (MMS) Mission"

CEDAR/GEM Science Highlight Plenary Talk

Santa Fe, New Mexico, June 23, 2016"... the tale of magnetic reconnection ..."

CEDAR/GEM Student Day Tutorial

Santa Fe, New Mexico, June 19, 2016

The associated poem about reconnection"Magnetic Reconnection at the Dayside Magnetopause"

University of Michigan, Climate and Space Sciences and Engineering Seminar

Ann Arbor, Michigan, June 16, 2016"When Magnetic Field Lines Break"

University of Wisconsin-Madison, Physics Department Colloquium

Madison, Wisconsin, April 29, 2016"Magnetic Reconnection During the Sawtooth Crash in Tokamaks"

Los Alamos National Laboratory, Seminar

Los Alamos, New Mexico, April 11, 2016"Magnetic Reconnection at the Dayside Magnetopause"

SHIELDS Workshop: Shielding Society from Space Weather, Invited Talk

Santa Fe, New Mexico, April 5, 2016"Asymmetric Reconnection, Guide Field Reconnection, and Reconnection with Flow Shear: Recent Work and Future Horizons"

MR 2016 US-Japan Meeting on Magnetic Reconnection, Invited Tutorial Talk

Napa, California, March 11, 2016

PDF of Talk (on external webpage)"Magnetic Reconnection at the Dayside Magnetopause"

NASA Goddard Space Flight Center Heliophysics Seminar

Greenbelt, Maryland, February 12, 2016"Magnetic Reconnection at the Dayside Magnetopause and Tokamaks"

University of Maryland Plasma Physics Seminar

College Park, Maryland, February 10, 2016"Predictions of space physics are difficult, especially when they are about the future"

2015 Fall American Geophysical Union Meeting (Macelwane Medal talk)

San Francisco, California, December 16, 2015"Quantifying the tailward motion of reconnecting flux ropes at magnetopauses of Earth and other planets"

2015 Fall American Geophysical Union Meeting

San Francisco, California, December 14, 2015"How Magnetospheres Interact with the Solar Wind through Magnetic Reconnection"

Georgia Institute of Technology Planetary Seminar Series

Atlanta, Georgia, November 17, 2015"Many Facets of Magnetic Reconnection at the Dayside Magnetopause"

Chapman Conference on Magnetospheric Dynamics

Fairbanks, Alaska, September 29, 2015"What Can the Sun Tell Us about Dipolarization Fronts? A Look at Supra-Arcade Downflows"

Workshop on Magnetotail Reconnection and Dipolarization Fronts

Laurel, Maryland, September 17, 2015"Theory and Simulations of Magnetic Reconnection at the Dayside Magnetopause"

Institut de recherche en astrophysique et planetologie (IRAP)

Toulouse, France, August 18, 2015"Theory and Simulations of Magnetic Reconnection at the Dayside Magnetopause"

Magnetic Reconnection in Plasmas workshop

Stockholm, Sweden, August 12, 2015"Asymmetric Reconnection with a Flow Shear"

ISSI Meeting on Ion and Electron Bulk Heating by Magnetic Reconnection

Bern, Switzerland, June 2, 2015"Studies of Magnetic Reconnection From Solar Flares to the Dayside Magnetopause"

High Altitude Observatory (HAO) Colloquium

Boulder, Colorado, April 8, 2015"Theoretical Studies of Energy Conversion in Magnetic Reconnection"

2014 Fall American Geophysical Union Meeting

San Francisco, California, December 18, 2014"Multi-Scale Aspects of Magnetic Reconnection for Solar Applications"

Solar Heliospheric and Interplanetary Environment (SHINE) Conference

Telluride, Colorado, June 26, 2014"Quantitative Predictions of Magnetic Reconnection at the Dayside Magnetopause"

Parker Reconnection Workshop

Sao Jose dos Campos, Brazil, March 20, 2014"Ideas on How and When Reconnection Occurs in the Corona and Inner Heliosphere"

Solar Probe Plus Science Working Group Meeting

San Antonio, Texas, February 26, 2014"Signatures of Finite Length X-line Reconnection"

ISSI Meeting on Ion and Electron Bulk Heating by Magnetic Reconnection

Berne, Switzerland, October 10, 2013"On The Cause of Supra-Aracde Downflows in Solar Flares"

Harvard-Smithsonian Center for Astrophysics Seminar

Cambridge, Massachusetts, July 31, 2013"Properties of Asymmetric Reconnection at the Dayside Magnetopause"

THEMIS/ARTEMIS Science Working Group Meeting

Fairbanks, Alaska, March 28, 2013"Magnetic Reconnection - What is NASA's MMS for Anyway?"

Goddard Scientific Colloquium, NASA-GSFC

Greenbelt, Maryland, March 1, 2013"Ion-Scale Signatures of Magnetospheric Magnetic Reconnection"

MMS Fast Plasma Investigation (FPI) Team Meeting, NASA-GSFC, Invited Talk

Greenbelt, Maryland, September 10, 2012"Theory of Magnetic Reconnection for Magnetospheric Applications"

2012 GEM Workshop, Invited Plenary Talk

Snowmass, Colorado, June 21, 2012"X-line Spreading in Three-Dimensional Magnetic Reconnection"

Seminar, NASA-GSFC Reconnexion Forum

Greenbelt, Maryland, May 29, 2012"Guide Field Dependence of X-line Spreading in Three-Dimensional Magnetic Reconnection"

2012 US-Japan Workshop on Magnetic Reconnection, Invited Talk

Princeton, New Jersey, May 23, 2012"The Scaling of Asymmetric Magnetic Reconnection and Magnetospheric Applications"

Seminar, Rice Space Physics Seminar

Houston, Texas, March 29, 2010"Extending Hall Reconnection to Large-scale Reconnection in the Corona"

Yosemite 2010 Workshop on Magnetic Reconnection, Invited Talk

Yosemite, California, February 11, 2010"The Onset of Fast Reconnection in the Corona"

Workshop of the International Space Science Institute, Invited Talk

Berne, Switzerland, January 27, 2010"Catastrophic Explosions in Space: The Physics of Magnetic Reconnection"

Physics Department Colloquium

Montana State University, December 12, 2009"Secondary Islands in Sweet-Parker Reconnection: Scaling, Onset, and Coronal Energy Storage"

2009 Thin Current Sheets Workshop, Invited Talk

Yellowstone, Wyoming, September 28, 2009"Theory of Magnetic Reconnection for Solar Applications"

2009 SHINE Workshop, Invited Plenary Talk

Wolfville, Nova Scotia, Canada, August 6, 2009"The Scaling of Asymmetric Magnetic Reconnection"

"The Structure of the Dissipation Region in Asymmetric Collisionless Magnetic Reconnection"

2009 Geospace Environment Modeling (GEM) Summer Workshop, Invited Talks

Snowmass, Colorado, June 22-24, 2009"The Nonlinear Dynamics of Magnetic Reconnection and Applications to Solar Eruptions"

Fred L. Scarf Award Lecture

2008 Fall AGU Meeting, Invited Talk

San Francisco, California, December 16, 2008"The Role of Magnetic Reconnection in Self-Organization of the Corona: Theory and Observations"

2008 Fall AGU Meeting, Invited Talk

San Francisco, California, December 18, 2008"Scaling of Asymmetric Magnetic Reconnection"

50th Annual Meeting of the Division of Plasma Physics, Invited Talk

Dallas, Texas, November 18, 2008"Reconnection Onset and Self-Organization in Solar and Stellar Coronae"

2008 General Meeting for the Center for Magnetic Self-Organization, Invited Talk

Princeton, New Jersey, July 10, 2008"The Theory of Magnetic Reconnection: Past, Present, and Future"

AGU 2008 Joint Assembly, Invited Talk (SPD Parker Lecture)

Fort Lauderdale, Florida, May 28, 2008"On the Onset of Fast Magnetic Reconnection"

2007 US-Japan Reconnection Workshop, Invited Poster

St. Michaels, Maryland, March 26-29, 2007"Catastrophe Model for Fast Magnetic Reconnection"

Space and Cosmic Ray Physics Seminar

University of Maryland-College Park, March 27, 2006"The Transition between Sweet-Parker and Hall Reconnection and its Impact on Onset"

Harry Petschek Symposium on Magnetic Reconnection, Invited Talk

University of Maryland - University College, March 21, 2006"Catastrophe Model for Fast Magnetic Reconnection"

Laboratory for Solar and Space Physics Seminar

NASA-Goddard Space Flight Center, February 24, 2006"The Onset of Fast Magnetic Reconnection: A Catastrophe Model"

Reconnection and Turbulence in Fluids and Plasmas Mini-Conference, Invited Talk

47th Annual Meeting of the Division of Plasma Physics

Denver, Colorado, October 25, 2005"Magnetic Reconnection Onset: A New Mechanism"

Plasma Physics Seminar

University of Maryland-College Park, April 27, 2005

## Contributed Presentations

"Spreading Of 3d Collisionless Anti-parallel Magnetic Reconnection In Current Sheets Of Non-uniform Thickness And Application To Two-ribbon Flares"

238th Meeting of the American Astronomical Society, Contributed Talk

Online, June 7, 2021"Dissipation measures in weakly-collisional plasmas"

2021 European Geophysical Union General Assembly Meeting, Contributed Talk (Solicited 10 minute talk)

Online, April 27, 2021"Cross-Scale Properties of Dayside Magnetic Reconnection"

2020 Fall American Geophysical Union Meeting, Contributed Poster,

Online, December 1-17, 2020"Kinetic Entropy-Based Measures of Distribution Function Non-Maxwellianity: Theory and Simulations"

2020 Magnetospheric Multiscale Science Working Team Meeting, Contributed Talk

Online, October 7, 2020"Non-traditional Instructional Approaches and Assessment of Graduate Plasma Physics Courses at West Virginia University"

2019 Fall American Geophysical Union Meeting, Contributed Talk

San Francisco, CA, December 12, 2019"Dependence of Solar Wind-Magnetospheric Coupling on Reconnection Physics "

2019 Fall American Geophysical Union Meeting, Contributed Poster, and 2019 Mini-GEM Workshop, Contributed Talk

San Francisco, CA, December 10, 2019"Simulations of Nascent Flux Rope Observations at the Earth’s Dayside Magnetopause"

2019 Geospace Environment Modeling (GEM) Workshop, Contributed Poster

Santa Fe, NM, June 25, 2019"Parametric study of the out-of-plane tripolar magnetic field component with Particle-In-Cell simulations"

2018 Fall American Geophysical Union Meeting, Contributed Talk

Washington, DC, December 12, 2018"Kinetic Entropy as a Diagnostic in Particle-in-Cell Simulations"

2018 APS Division of Plasma Physics Meeting, Contributed Poster

Portland, Oregon, November 6, 2018"Kinetic Entropy as a Diagnostic in Particle-in-Cell Simulations"

SHINE Workshop, Contributed Poster

Cocoa Beach, Florida, July 30 - August 1, 2018"Application of Kinetic Entropy as a Diagnostic in Particle-in-Cell Simulations of Magnetic Reconnection"

GEM Workshop, Contributed Poster

Santa Fe, New Mexico, June 19, 2018"Kinetic Entropy as a Diagnostic in Particle-in-Cell Simulations of Magnetic Reconnection"

MMS Community Workshop, Contributed Talk

Bergen, Norway, June 13, 2018"Tripolar Hall Magnetic Field Signatures in Magnetic Reconnection in the Solar Wind and Magnetopause"

2017 Solar Heliospheric and Interplanetary Environment (SHINE) Conference, Contributed Poster

Saint Sauveur, Quebec, Canada, July 24, 2017"The effect of a guide field on local energy conversion during asymmetric magnetic reconnection: Particle-in-cell simulations"

2017 Geospace Environment Modeling (GEM) Workshop, Contributed Poster

Portsmouth, Virginia, June 22, 2017"Comparisons of MMS data to 2D and 3D PIC Simulations"

2017 MMS Science Working Team Meeting, Contributed Talk

Key West, Florida, March 2, 2017"PIC Simulation Study of Dissipation in Three MMS Reconnection Events with Different Guide Fields"

2016 Fall American Geophysical Union Meeting, Contributed Poster

San Francisco, California, December 13, 2016"Simulation Study of the Spreading/Elongation of Ribbons in Two-Ribbon Flares"

Solar Heliospheric and Interplanetary Environment (SHINE) Conference, Contributed Poster

Santa Fe, New Mexico, July 11-15, 2016"Fast magnetic reconnection due to anisotropic electron pressure"

2015 APS Division of Plasma Physics Meeting

Savannah, Georgia, November 18, 2015"Asymmetric Reconnection with a Flow Shear"

2015 Magnetospheric Multiscale (MMS) Science Working Team Meeting, Contributed Talk (HPCA Session)

San Antonio, Texas, November 6, 2015"Asymmetric Reconnection with a Flow Shear: PIC simulations and magnetopause applications"

2015 American Physical Society Mid-Atlantic Section Meeting, Contributed Poster

Morgantown, West Virginia, October 24, 2015"Asymmetric Reconnection with a Flow Shear"

2015 Geospace Environment Modeling (GEM) Workshop, Contributed Talk

Snowmass, Colorado, June 18, 2015"Asymmetric Reconnection with a Flow Shear"

Magnetospheric MultiScale (MMS) Science Working Team meeting, Contributed Talk

Cocoa Beach, Florida, March 10, 2015"The "Space Weather" Exhibit at the Children's Discovery Museum of West Virginia"

2014 Fall AGU Meeting, Contributed Poster

San Francisco, California, December 18, 2014"Asymmetric Reconnection with a Shear Flow and Applications to X-line Motion at the Polar Cusps"

2014 Fall American Geophysical Union Meeting, Contributed Poster (for Chris Doss)

San Francisco, California, December 15, 2014"Three-Dimensional Spreading of Magnetic Reconnection in Solar Flares and the Solar Wind"

Solar Heliospheric and Interplanetary Environment (SHINE) Conference, Contributed Poster

Telluride, Colorado, June 26, 2014"Testing Models of the Location of Magnetic Reconnection at the Magnetopause"

2013 Fall AGU Meeting, Contributed Talk

San Francisco, California, December 10, 2013"Properties of Asymmetric Reconnection at the Dayside Magnetopause"

Magnetospheric MultiScale Mission Science Working Team Meeting, Contributed Talk

Boulder, Colorado, March 21, 2013"Reconnection with a Shear Flow and Applications to Solar Wind-Magnetospheric Coupling"

AGU Chapman Conference on Fundamental Properties of Processes of Magnetotails, Contributed Poster

Reykjavik, Iceland, March 11, 2013"An Interpretation of Supra-Arcade Downflows as Reconnection Onset Bursts"

2012 Fall AGU Meeting, Contributed Poster

San Francisco, California, December 6, 2012"Electron Kelvin-Helmholtz Instability and Generation of Demagnetized Electron Rings"

54th Annual Meeting of the Division of Plasma Physics, Contributed Poster

Providence, Rhode Island, October 31, 2012"X-line Spreading in Three-Dimensional Magnetic Reconnection and Solar Applications"

2012 SHINE Workshop, Contributed Poster

Maui, Hawaii, June 28, 2012"Spreading of Magnetic Reconnection X-lines in Three Dimensions"

2012 APS April Meeting (with the Sherwood Fusion Theory Conference), Contributed Poster

Atlanta, Georgia, April 2, 2012"On the Location of Reconnection on the Dayside Magnetopause"

2011 Fall AGU Meeting, Contributed Poster

San Francisco, California, December 8, 2011"Incomplete Reconnection in Sawteeth due to Diamagnetic Effects"

53rd Annual Meeting of the Division of Plasma Physics, Contributed Poster

Salt Lake City, Utah, November 16, 2011"The Scaling of Dayside Magnetic Reconnection with a Shear Flow"

CEDAR/GEM 2011 Summer Workshop, Contributed Poster

Santa Fe, New Mexico, June 28, 2011"The Effect of Shear Flow on the Scaling of 2D Magnetic Reconnection"

2010 Fall AGU Meeting, Contributed Poster

San Francisco, California, December 17, 2010"The Effect of Shear Flow on the Scaling of 2D Magnetic Reconnection"

52nd Annual Meeting of the Division of Plasma Physics, Contributed Poster

Chicago, Illinois, November 8, 2010"Secondary Islands in Sweet-Parker Reconnection: Scaling, Onset, and Coronal Energy Storage"

2009 Fall AGU Meeting, Contributed Poster

San Francisco, California, December 16, 2009"Secondary Islands in Sweet-Parker Reconnection: Scaling, Onset, and Coronal Energy Storage"

2009 SHINE Workshop, Contributed Talk

Wolfville, Nova Scotia, Canada, August 3, 2009"The Catastrophic Onset of Magnetic Reconnection in Solar and Stellar Coronae due to Two-Fluid Effects: Theory and Observations"

2008 GEM/SHINE Workshop, Contributed Talk

Midway, Utah, June 25, 2008"The Scaling of Asymmetric Magnetic Reconnection"

2008 GEM/SHINE Workshop, Contributed Talk

Midway, Utah, June 23 and 25, 2008"The Scaling of Collisionless Asymmetric Magnetic Reconnection and Applications to the Magnetopause"

AGU 2008 Joint Assembly, Contributed Talk

Fort Lauderdale, Florida, May 30, 2008"The Importance of the Hall Effect in Magnetic Reconnection: Comparisons of Hybrid and Hall-less Hybrid Simulations" (presented for Kittipat Malakit)

AGU 2008 Joint Assembly, Contributed Talk

Fort Lauderdale, Florida, May 27, 2008"From Solar and Stellar Flares to Coronal Heating: Theory and Observations of How Collisionless Magnetic Reconnection Regulates Coronal Conditions"

US-Japan Workshop on Magnetic Reconnection 2008, Contributed Talk

Okinawa, Japan, March 5, 2008"The Scaling of Asymmetric Magnetic Reconnection"

US-Japan Workshop on Magnetic Reconnection 2008, Contributed Poster

Okinawa, Japan, March 3, 2008"Observational Evidence of the Role of Collisionless Magnetic Reconnection in Self-Organization of Solar and Stellar Coronae"

AGU 2007 Fall Meeting, Contributed Talk

San Francisco, California, December 13, 2007"Asymmetric Magnetic Reconnection: General Theory and Collisional Simulations"

AGU 2007 Fall Meeting, Contributed Poster

San Francisco, California, December 13, 2007"The Scaling of Asymmetric Magnetic Reconnection"

"The Catastrophic Onset of Fast Magnetic Reconnection"

"Nonlinear Dynamics of Magnetic Reconnection and the Localization of Onset"

2007 Cambridge Workshop on Magnetic Reconnection, Contributed Talks

St. Michaels, Maryland, September 10 - 14, 2007"The Catastrophic Onset of Fast Magnetic Reconnection and its Implications for CMEs"

SHINE 2007 Workshop, Contributed Poster

Whistler, British Columbia, July 30 - August 3, 2007"Catastrophe Model for the Onset of Fast Magnetic Reconnection"

210th Meeting of the American Astronomical Society, Contributed Disseration Talk

Honolulu, Hawaii, May 29, 2007"Bistability of Magnetic Reconnection With A Guide Field and its Impact on Onset"

AGU 2006 Fall Meeting, Contributed Talk

San Francisco, California, December 13, 2006"Spontaneous Catastrophic Onset of Fast Magnetic Reconnection and Solar Flares"

AGU 2006 Joint Assembly, Contributed Talk

Baltimore, Maryland, May 26, 2006

Winner - Outstanding Student Paper Award"Bifurcation Model for the Onset of Fast Magnetic Reconnection"

2006 International Sherwood Fusion Theory Conference

in conjunction with APS April Meeting, Contributed Poster

Dallas, Texas, April 22, 2006"Hysteresis and the Onset of Fast Magnetic Reconnection"

AGU 2005 Joint Assembly, Contributed Poster

New Orleans, Louisiana, May 24, 2005"Hysteresis and the Onset of Fast Magnetic Reconnection"

2005 International Sherwood Fusion Theory Conference, Contributed Poster

Lake Tahoe, Nevada, April 11, 2005"Turbulent Magnetic Reconnection"

45th Annual Meeting of the Division of Plasma Physics, Contributed Poster

Albuquerque, New Mexico, October 28, 2003"Character Expansions and Their Applications"

13th Annual Midwest Nuclear Theory Get-Together, Contributed Talk

Argonne National Laboratory, September 23, 2000

## Uninvited Talks

"The Closest Star: The Sun and Its Effect on Earth"

WVU Astronomy Club Seminar

West Virginia University, April 27, 2015"Catastrophic Explosions in Space: The Physics of Magnetic Reconnection in the Sun and Magnetosphere"

Physics Department Colloquium

West Virginia University, February 12, 2008"What Makes Solar Eruptions Erupt: The Catastrophic Onset of Fast Magnetic Reconnection"

Astronomy and Space Physics Seminar

University of Delaware, March 6, 2007"The Catastrophic Onset of Fast Magnetic Reconnection"

IREAP Graduate Student Seminar

University of Maryland-College Park, October 6, 2006"Hysteresis and the Onset of Fast Magnetic Reconnection"

IREAP Graduate Student Seminar

University of Maryland-College Park, February 25, 2005"Magnetic Reconnection"

IREAP Graduate Student Seminar

University of Maryland-College Park, February 4, 2004"Magnetic Reconnection"

High Performance Computing Summer School Presentation

NASA - Goddard Space Flight Center, July 24, 2003"Character Expansions"

Graduate Student Colloquium

University of Wisconsin-Madison, February 20, 2001"Determination of the Structure of Molecules Using Microwave Spectroscopy"

NASA Space-Grant Consortium Presentation

Tempe, Arizona, April 12, 1997