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We derive relativistic resistive magnetohydrodynamics for a two-component ultrarelativistic plasma directly from kinetic theory. Starting with the Boltzmann--Vlasov equation and using the 14-moment approximation in the Landau frame, we…

Plasma Physics · Physics 2026-02-25 Khwahish Kushwah , Caio V. P. de Brito , Gabriel S Denicol

Electrostatic Gravitational or Rayleigh-Taylor (RT) instability in an inhomogeneous magnetized multi-ions plasma with some fraction of quantum mechanical electrons. The effect of Bohm potential, temperature degeneracy and magnetic field are…

Plasma Physics · Physics 2018-05-08 A. Mushtaq , Sajad Ali , Zahida Ehsan

We solve the linearised Vlasov-Fokker-Planck (VFP) equation to show that heat flow or an electrical current in a magnetized collisional plasma is unstable to the growth of a circularly polarised transverse perturbation to a zeroth order…

Plasma Physics · Physics 2020-05-01 Anthony Bell , Robert Kingham , Henry Watkins , James Matthews

We develop a new method for describing the dynamics of 3-dimensional thermal plasmas. Using a piecewise constant 1-particle distribution, we reduce the Vlasov equation to a generalized Lorentz force equation for a family of vector fields…

Plasma Physics · Physics 2015-05-13 D. A. Burton , A. Noble , H. Wen

The Weibel instability driven by two symmetric counter-streaming relativistic electron plasmas, also referred to as current-filamentation instability, is studied in a constant and uniform external magnetic field aligned with the plasma…

Plasma Physics · Physics 2017-02-08 A. Grassi , M. Grech , F. Amiranoff , F. Pegoraro , A. Macchi , C. Riconda

Filamentation due to the growth of a Weibel-type instability was observed in the interaction of a pair of counter-streaming, ablatively-driven plasma flows, in a supersonic, collisionless regime relevant to astrophysical collisionless…

Plasma Physics · Physics 2015-06-17 W. Fox , G. Fiksel , A. Bhattacharjee , P. -Y. Chang , K. Germaschewski , S. X. Hu , P. M. Nilson

We derive analytic dispersion relations for cold, orbitally constrained systems governed by the Vlasov equation. For magnetized plasmas, we obtain the first explicit relation for two-dimensional anisotropic BGK modes with finite magnetic…

Plasma Physics · Physics 2025-04-15 Mikael Tacu

Active subspace analysis is a useful computational tool to identify and exploit the most important linear combinations in the space of a model's input parameters. These directions depend inherently on a quantity of interest, which can be…

Plasma Physics · Physics 2022-04-12 Stephen Pankavich , Soraya Terrab

For more than half a century, most of the plasma scientists have encountered a violation of the conservation laws of charge, momentum, and energy whenever they have numerically solve the first-principle equations of kinetic plasmas, such as…

Plasma Physics · Physics 2018-11-15 Takashi Shiroto , Naofumi Ohnishi , Yasuhiko Sentoku

We study particle acceleration in strongly turbulent pair plasmas using novel 3D Particle-in-Cell simulations, featuring particle injection from an external heat bath and diffusive escape. We demonstrate the formation of steady-state,…

High Energy Astrophysical Phenomena · Physics 2025-07-10 Evgeny A. Gorbunov , Daniel Grošelj , Fabio Bacchini

We report the results of a local stability analysis for a magnetized, gravitationally stratified plasma containing cosmic rays. We account for cosmic-ray diffusion and thermal conduction parallel to the magnetic field and allow beta to take…

Astrophysics · Physics 2008-12-18 Timothy J. Dennis , Benjamin D. G. Chandran

In this paper, we investigate the kinetic stability of classical, collisional plasma - that is, plasma in which the mean-free-path $\lambda$ of constituent particles is short compared to the length scale $L$ over which fields and bulk…

Plasma Physics · Physics 2023-10-30 Archie F. A. Bott , Steven C. Cowley , Alexander A. Schekochihin

We study the longitudinal stability of beam-plasma systems in the presence of a density inhomogeneity in the background plasma. Previous works have focused on the non-relativistic regime where hydrodynamical models are used to evolve…

High Energy Astrophysical Phenomena · Physics 2020-04-08 Mohamad Shalaby , Avery E. Broderick , Philip Chang , Christoph Pfrommer , Ewald Puchwein , Astrid Lamberts

This study investigates Parker instability in an interstellar medium (ISM) near the Galactic plane using three-dimensional magneto-hydrodynamic simulations. Parker instability arises from the presence of a magnetic field in a plasma,…

High Energy Astrophysical Phenomena · Physics 2011-01-06 Ying-Yi Lo , Chung-Ming Ko , Chih-Yueh Wang

The relativistic kinetic equations (RKE) for lepton plasma in the presence of a strong external magnetic field are derived in Vlasov approximation. The new RKE for the electron spin distribution function includes the weak interaction with…

High Energy Physics - Phenomenology · Physics 2011-05-23 V. N. Oraevsky , V. B. Semikoz

The interaction of chirped femtosecond laser pulses with hybrid materials - materials comprised of plasmon sustaining structures and resonant molecules - is scrutinized using a self-consistent model of coupled Maxwell-Bloch equations. The…

Optics · Physics 2014-08-29 Maxim Sukharev

We study the mechanism of the `pearling' instability seen recently in experiments on lipid tubules under a local applied laser intensity. We argue that the correct boundary conditions are fixed chemical potentials, or surface tensions…

Soft Condensed Matter · Physics 2009-10-28 Peter D. Olmsted , F. C. MacKintosh

Strongly coupled light-matter systems can carry information over long distances and realize low threshold polariton lasing, condensation and superfluidity. These systems are highly non-equilibrium in nature, so constant nonzero fluxes…

Quantum Gases · Physics 2021-02-09 Nikita Stroev , Natalia G Berloff

Several important mechanisms that explain the coherent pulsar radio emission rely on streaming (or beam) instabilities of the relativistic pair plasma in a pulsar magnetosphere. However, it is still not clear whether a streaming instability…

High Energy Astrophysical Phenomena · Physics 2021-06-02 Alina C. Manthei , Jan Benáček , Patricio A. Muñoz , Jörg Büchner

Relativistic radiation mediated shocks (RRMS) likely form in prodigious cosmic explosions. The structure and emission of such shocks is regulated by copious production of electron-positron pairs inside the shock transition layer. It has…

High Energy Astrophysical Phenomena · Physics 2022-02-16 Arno Vanthieghem , Jens F. Mahlmann , Amir Levinson , Alexander A. Philippov , Ehud Nakar , Frederico Fiuza
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