Positions

Research Areas research areas

Overview

  • My main field of interest is computational plasma physics.

    • Selected Publications

    Academic Article

    Year Title
    2024 On the Effect of Driving Turbulent-like Fluctuations on a Harris Current Sheet Configuration and the Formation of Plasmoids.  The Astrophysical Journal: an international review of astronomy and astronomical physics.  971:109-109. 2024
    2024 High-resolution particle-in-cell simulations of two-dimensional Bernstein–Greene–Kruskal modes.  Physics of Plasmas.  31. 2024
    2024 Kinetic simulations comparing quasi-parallel and quasi-perpendicular piston-driven collisionless shock dynamics in magnetized laboratory plasmas.  Physics of Plasmas.  31. 2024
    2023 On the effect of negative triangularity on ion temperature gradient turbulence in tokamaks.  Physics of Plasmas.  30. 2023
    2023 Erratum: “Origin and structure of electromagnetic generator regions at the edge of the electron diffusion region” [Phys. Plasmas 28, 112901 (2021)].  Physics of Plasmas.  30. 2023
    2023 In search of a data-driven symbolic multi-fluid ten-moment model closure.  Journal of Plasma Physics.  89. 2023
    2022 Energy Transport during 3D Small-scale Reconnection Driven by Anisotropic Plasma Turbulence.  The Astrophysical Journal: an international review of astronomy and astronomical physics.  938:4-4. 2022
    2021 Origin and structure of electromagnetic generator regions at the edge of the electron diffusion region.  Physics of Plasmas.  28. 2021
    2021 Toward exascale whole-device modeling of fusion devices: Porting the GENE gyrokinetic microturbulence code to GPU.  Physics of Plasmas.  28. 2021
    2021 Three-dimensional magnetic reconnection in particle-in-cell simulations of anisotropic plasma turbulence.  Journal of Plasma Physics.  87. 2021
    2021 Spatial coupling of gyrokinetic simulations, a generalized scheme based on first-principles.  Physics of Plasmas.  28. 2021
    2021 First coupled GENE-XGC microturbulence simulations.  Physics of Plasmas.  28. 2021
    2020 Energy Balance and Time Dependence of a Magnetotail Electron Diffusion Region.  Journal of Geophysical Research.  125. 2020
    2020 A multi-GPU implementation of a full-field crystal plasticity solver for efficient modeling of high-resolution microstructures.  Computer Physics Communications.  254:107231-107231. 2020
    2020 Exact and locally implicit source term solvers for multifluid-Maxwell systems.  Journal of Computational Physics.  415:109510-109510. 2020
    2020 Kinetic simulations of piston-driven collisionless shock formation in magnetized laboratory plasmas.  Physics of Plasmas.  27:042901. 2020
    2019 Global Ten-Moment Multifluid Simulations of the Solar Wind Interaction with Mercury: From the Planetary Conducting Core to the Dynamic Magnetosphere.  Geophysical Research Letters.  46:11584-11596. 2019
    2018 OpenMP and MPI implementations of an elasto-viscoplastic fast Fourier transform-based micromechanical solver for fast crystal plasticity modeling.  Advances in Engineering Software.  126:46-60. 2018
    2018 Kinetic simulation of magnetic field generation and collisionless shock formation in expanding laboratory plasmas.  Physics of Plasmas.  25:102106. 2018
    2018 Regimes of magnetic reconnection in colliding laser-produced magnetized plasma bubbles.  Physics of Plasmas.  25:093105. 2018
    2018 Generation of Electron Whistler Waves at the Mirror Mode Magnetic Holes: MMS Observations and PIC Simulation.  Journal of Geophysical Research.  123:6383-6393. 2018
    2018 Electron Physics in 3-D Two-Fluid 10-Moment Modeling of Ganymede's Magnetosphere.  Journal of Geophysical Research.  123:2815-2830. 2018
    2018 Graphics processing unit accelerated phase field dislocation dynamics: Application to bi-metallic interfaces.  Advances in Engineering Software.  115:248-267. 2018
    2017 High-Mach number, laser-driven magnetized collisionless shocks.  Physics of Plasmas.  24:122702. 2017
    2017 Simulation of magnetic holes formation in the magnetosheath.  Physics of Plasmas.  24:122121. 2017
    2017 Generation and Evolution of High-Mach-Number Laser-Driven Magnetized Collisionless Shocks in the Laboratory..  Physical Review Letters.  119:025001. 2017
    2017 Using OpenGGCM to Compute and Separate Magnetosphere Magnetic Perturbations Measured on Board Low Earth Orbiting Satellites.  Space Science Reviews.  206:601-620. 2017
    2017 Reply to comment by Remya et al. on "Effects of electron temperature anisotropy on proton mirror instability evolution".  Journal of Geophysical Research.  122:748-752. 2017
    2016 The Plasma Simulation Code: A modern particle-in-cell code with patch-based load-balancing.  Journal of Computational Physics.  318:305-326. 2016
    2016 Effects of electron temperature anisotropy on proton mirror instability evolution.  Journal of Geophysical Research.  121:5350-5365. 2016
    2015 Electron acceleration by parallel and perpendicular electric fields during magnetic reconnection without guide field.  Journal of Geophysical Research.  120:9355-9367. 2015
    2015 The island coalescence problem: Scaling of reconnection in extended fluid models including higher-order moments.  Physics of Plasmas.  22:112104. 2015
    2015 Instability-enhanced friction in the presheath of two-ion-species plasmas.  Plasma Sources Science and Technology.  24:015034-015034. 2015
    2015 Comparison of multi-fluid moment models with particle-in-cell simulations of collisionless magnetic reconnection.  Physics of Plasmas.  22:012108. 2015
    2014 Magnetic reconnection between colliding magnetized laser-produced plasma plumes..  Physical Review Letters.  113:105003. 2014
    2014 Synthesis of 3-D Coronal-Solar Wind Energetic Particle Acceleration Modules.  Space Weather.  12:323-328. 2014
    2013 Filamentation instability of counterstreaming laser-driven plasmas..  Physical Review Letters.  111:225002. 2013
    2013 The Plasma Simulation Code: A modern particle-in-cell code with load-balancing and GPU support 2013
    2013 Discrete kinetic eigenmode spectra of electron plasma oscillations in weakly collisional plasma: A numerical study.  Physics of Plasmas.  20:012125. 2013
    2012 Magnetic reconnection in high-energy-density laser-produced plasmas.  Physics of Plasmas.  19:056309. 2012
    2011 Hall magnetohydrodynamic reconnection in the plasmoid unstable regime.  Physics of Plasmas.  18:092108. 2011
    2011 Fast magnetic reconnection in laser-produced plasma bubbles..  Physical Review Letters.  106:215003. 2011
    2010 PERPENDICULAR ION HEATING BY LOW-FREQUENCY ALFVEN-WAVE TURBULENCE IN THE SOLAR WIND.  The Astrophysical Journal: an international review of astronomy and astronomical physics.  720:503-515. 2010
    2010 Linear plasmoid instability of thin current sheets with shear flow.  Physics of Plasmas.  17:052109. 2010
    2009 Intermediate nonlinear regimes of line-tied g mode and ballooning instability.  Nuclear Fusion.  49:095009-095009. 2009
    2009 Initiation of ballooning instability in the near-Earth plasma sheet prior to the 23 March 2007 THEMIS substorm expansion onset.  Annales Geophysicae: atmospheres, hydrospheres and space sciences.  27:1129-1138. 2009
    2008 A COMPARISON OF SPECTRAL ELEMENT AND FINITE DIFFERENCE METHODS USING STATICALLY REFINED NONCONFORMING GRIDS FOR THE MHD ISLAND COALESCENCE INSTABILITY PROBLEM.  Astrophysical Journal Supplement Series.  177:613-625. 2008
    2007 Nonlinear ballooning instability in the near-Earth magnetotail: Growth, structure, and possible role in substorms.  Journal of Geophysical Research.  112:n/a-n/a. 2007
    2006 Erratum: Intermediate Nonlinear Evolution of the Parker Instability: Formation of Convection-Induced Discontinuities and Absence of Finite-Time Singularities [Phys. Rev. Lett.96, 065001 (2006)].  Physical Review Letters.  96:129901. 2006
    2006 Intermediate nonlinear evolution of the Parker instability: formation of convection-induced discontinuities and absence of finite-time singularities..  Physical Review Letters.  96:065001. 2006
    2005 Current singularities: Drivers of impulsive reconnection.  Physics of Plasmas.  12:042305-042305. 2005
    2004 Three-dimensional MHD high-resolution computations with CWENO employing adaptive mesh refinement.  Computer Physics Communications.  158:47-56. 2004
    2002 Hyperbolic shock waves of the optical self-focusing with normal group-velocity dispersion..  Physical Review Letters.  89:153902. 2002
    2001 Splittings, coalescence, bunch and snake patterns in the 3D nonlinear Schrodinger equation with anisotropic dispersion.  Physica D: Nonlinear Phenomena.  151:175-198. 2001
    1999 Longitudinal and transversal structure functions in two-dimensional electron magnetohydrodynamic flows.  Physics of Plasmas.  6:3788-3793. 1999
    1998 Adaptive mesh refinement for singular solutions of the incompressible Euler equations.  Physical Review Letters.  80:4177-4180. 1998

    Chapter

    Year Title
    2022 Inference and De-noising of Non-gaussian Particle Distribution Functions: A Generative Modeling Approach.  Lecture Notes in Computer Science. 338-348. 2022
    2005 Using Krylov-Schwarz methods in an adaptive mesh refinement environment.  Lecture Notes in Computational Science and Engineering. 115-124. 2005

    Conference Paper

    Year Title
    2007 Intermediate nonlinear regime of a line-tied g mode.  Physics of Plasmas. 055903. 2007
    2003 Anisotropic fluid turbulence in the interstellar medium and solar wind.  Physics of Plasmas. 1954-1962. 2003
    2002 On the dynamics of the solar corona: First results obtained with a new 3D MHD model.  European Space Agency, (Special Publication) ESA SP. 21-24. 2002
    2002 On the dynamics of the solar corona: The numerics behind a self-consistent 3D MHD model.  European Space Agency, (Special Publication) ESA SP. 51-54. 2002

    Principal Investigator On

  • Particle Acceleration Collisionless  awarded by Smithsonian Institute 2024 - 2027
  • \"ANSWERS\" - Small-Improving In  awarded by Princeton University 2022 - 2023
  • Collaborative Research: Three-Dimensional Stability of Kinetic Flux Rope Structures in Collisionless Magnetized Plasma  awarded by National Science Foundation (NSF) 2020 - 2023
  • Kinetic Flux Rope Structure  awarded by National Science Foundation (NSF) 2020 - 2023
  • Improving WDMApp Performance  awarded by Princeton University 2019 - 2023
  • Improving WDMApp Performance  awarded by Princeton University 2019 - 2023
  • Global Magnetoshere Codes  awarded by Princeton University 2019 - 2021
  • Integration of Extended MHD and Kinetic Effects in Global Magnetoshere Codes  awarded by Princeton University 2019 - 2021
  • DoE HEDLP  awarded by US DOE, Department of Energy 2012 - 2020
  • Magnetic Reconnection High-Energy-Density Laboratory Plasmas  awarded by US DOE, Department of Energy 2012 - 2020
  • Instabilities Driven by Anisotropic Ion and electron Beams in the Solar Wind: Analytical Theory, Numerical Simulations, and In-Situ Observations  awarded by National Science Foundation (NSF) 2015 - 2020
  • Ion and Electron Beams  awarded by National Science Foundation (NSF) 2015 - 2020
  • Interaction of Extended MHD and Kinetic Effects in Global Magnetosphere Models  awarded by National Aeronautics and Space Administration (NASA) 2013 - 2020
  • MHD & Kinetic Effect Integrat.  awarded by National Aeronautics & Space Admin (NASA) 2013 - 2020
  • Extended MHD Modeling of Nonlinear Instabilities in Fusion and Space Plasmas  awarded by US DOE, Department of Energy 2011 - 2017
  • Studies of 3D Dynamics in the Global Magnetosphere using High-Performance Heterogenous Computing Architectures  awarded by National Science Foundation (NSF) 2011 - 2016
  • Magnetic Reconnection in High-Energy Laser-Produced Plasmas  awarded by US DOE, Department of Energy 2011 - 2016
  • Beacon: A Strategic Pat to Scientific Discovery Enabled by the Intel MIC Architecture  awarded by University of Tennessee 2012 - 2015
  • Multiscale Model of the Magnetosphere  awarded by National Aeronautics and Space Administration (NASA) 2009 - 2014
  • Acquisition of a Cell BE Based Cluster for Development and Deployment of Advanced Computational Methods  awarded by National Science Foundation (NSF) 2009 - 2012

    • Co-principal Investigator On

    Investigator On

    Teaching Activities

  • Doctoral Research Taught course
  • Doctoral Research Taught course
  • General Physics I Taught course
  • Doctoral Research Taught course 2024
  • Electromagnetic Theory II Taught course 2024
  • Doctoral Research Taught course 2023
  • High-Performance Computing Taught course 2023
  • Mechanics/Mathematical Phys I Taught course 2023
  • Mechanics/Mathematical Phys I Taught course 2023
  • Doctoral Research Taught course 2022
  • Doctoral Research Taught course 2022
  • High-Performance Computing Taught course 2022
  • Doctoral Research Taught course 2021
  • General Physics I Studio Taught course 2021
  • High-Performance Computing Taught course 2021
  • High-Performance Computing Taught course 2021
  • Doctoral Research Taught course 2020
  • General Physics II Recitation Taught course 2020
  • High-Performance Computing Taught course 2020
  • Doctoral Research Taught course 2019
  • Doctoral Research Taught course 2019
  • High-Performance Computing Taught course 2019
  • Intro to Physics Rsch&Teaching Taught course 2019
  • Doctoral Research Taught course 2018
  • General Physics I Studio Taught course 2018
  • Doctoral Research Taught course 2018
  • General Physics I Recitation Taught course 2018
  • High-Performance Computing Taught course 2018
  • Doctoral Research Taught course 2017
  • General Physics I Studio Taught course 2017
  • Doctoral Research Taught course 2017
  • General Physics I Recitation Taught course 2017
  • High-Performance Computing Taught course 2017
  • Doctoral Research Taught course 2016
  • General Physics I Studio Taught course 2016
  • General Physics I Studio Taught course 2016
  • Doctoral Research Taught course 2016
  • Doctoral Research Taught course 2015
  • General Physics I Recitation Taught course 2015
  • General Physics I Studio Taught course 2015
  • Doctoral Research Taught course 2015
  • General Physics I Recitation Taught course 2015
  • General Physics I Recitation Taught course 2015
  • High-Performance Computing Taught course 2015
  • High-Performance Computing Taught course 2014

    • Education And Training

    Full Name

  • Kai Germaschewski