Grant Johnson
- Program Years: 2020-2024
- Academic Institution: Princeton University
- Field of Study: Plasma Physics
- Academic Advisor: Ammar Hakim
- Practicum(s):
Los Alamos National Laboratory (2021)
Lawrence Berkeley National Laboratory (2023) - Degree(s):
B.S. Astronomy and Astrophysics (Computational Mathematics dual major), Embry-Riddle Aeronautical University, 2020
Current Status
- Research Area: Plasma Physics
Publications
G. Johnson, P. Kilian, F. Guo, and X. Li, "Particle Acceleration in Magnetic Reconnection with Ad Hoc Pitch-angle Scattering", The Astrophysical Journal, vol. 933, no. 1, pp. 73-82, 2022.G. R. Johnson and M. D. Campanell, "Effects of emitting surfaces and trapped ions on the sheath physics and current flow in multidimensional plasma systems", Plasma Sources Science and Technology, vol. 30, no. 1, p. 015003, 2021.
G. R. Johnson and M. D. Campanell, "Analysis of the transition time between the space-charge-
limited and inverse regimes," Plasma Physics Reports, vol. 45, no. 1, pp. 69-85, 2019.
M. D. Campanell and G. R. Johnson, "Thermionic cooling of the target plasma to a sub-ev temperature", Physical Review Letters, vol. 122, no. 1, p. 015003, 2019.
G. R. Johnson, J. Juno, A. Hakim, "Discontinuous-Galerkin Representation of the Maxwell-Juttner Distribution", Poster Presentation, American Physical Society Division of Plasma Physics (APS-DPP) - Denver 2023
G. R. Johnson, F. Guo, X. Li, P. F. Kilian, "Particle Acceleration in Magnetic Reconnection with Ad hoc Pitch-angle Scattering", Speaker, American Physical Society Division of Plasma Physics (APS-DPP) - Spokane 2022
G. R. Johnson, F. Guo, X. Li, P. F. Kilian, "2D Kinetic Simulations of Electron Acceleration during Magnetic Reconnection with ad-hoc Pitch Angle Scattering to Mimic 3D Effects", Poster presentation, American Physical Society Division of Plasma Physics (APS-DPP) - Pittsburg 2021
G. R. Johnson, and M. D. Campanell, "Simulations of Thermionic Emission, Collisions and Ion Trapping in Multidimensional Plasma Systems, and Illustration of a Technique to Identify the Sheath Regime Around Emissive Probes", Poster presentation, American Physical Society Division of Plasma Physics (APS-DPP) - Virtual, 2020
G. R. Johnson, M. V. Umansky and M. D. Campanell, "Thermionic Emission Enhanced by Ion Trapping Beyond the Space-Charge Current Limitation", Poster presentation, American Physical Society Division of Plasma Physics (APS-DPP) - Fort Lauderdale, 2019 (Outstanding Poster Award)
G. R. Johnson, and M. D. Campanell, "Modeling the transition from a space-charge limited sheath to an inverse sheath", Poster presentation, American Physical Society Division of Plasma Physics (APS-DPP), Portland, 2018
Awards
NERSC High Performance Computing Award, 2021Barry Goldwater Scholar, 2019
Embry-Riddle Honors Outstanding Research Scholar Award, 2019
APS Division of Plasma Physics Outstanding Poster Award, 2019
Outstanding Paper Award, Lawrence Livermore National Lab, 2019
Outstanding Poster Award, Lawrence Livermore National Lab, 2018