Instability in a magnetised collisional plasma driven by a heat flow or a current

Instability in a magnetised collisional plasma driven by a heat flow or a current

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 uniform magnetic field. The Braginskii [1965 Rev Plasma Phys 1...

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Veröffentlicht in:Plasma physics and controlled fusion 2020-09, Vol.62 (9), p.95026
Hauptverfasser: Bell, A R, Kingham, R J, Watkins, H C, Matthews, J H
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astrophysics
collisions
heat flow
laser
magnetic field
plasma instability
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creator Bell, A R
Kingham, R J
Watkins, H C
Matthews, J H
description 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 uniform magnetic field. The Braginskii [1965 Rev Plasma Phys 1 205] transport equations exhibit the same instability in the appropriate limit. This is relevant to laser-produced plasmas, inertial fusion energy (IFE) and to dense cold interstellar plasmas.
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subjects astrophysics
collisions
heat flow
laser
magnetic field
plasma instability
title Instability in a magnetised collisional plasma driven by a heat flow or a current
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