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Physics > Plasma Physics

arXiv:1605.09151 (physics)
[Submitted on 30 May 2016]

Title:Particle-in-Cell simulation of two-dimensional electron velocity shear driven instability in relativistic domain

Authors:Chandrasekhar Shukla, Amita Das, Kartik Patel
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Abstract:We carry out Particle-in-Cell (PIC) simulations to study the instabilities associated with a 2-D sheared electron flow configuration against a neutralizing background of ions. Both weak and strong relativistic flow velocities are considered. In the weakly relativistic case, we observe the development of electromagnetic Kelvin Helmholtz instability with similar characteristics as that predicted by the electron Magnetohydrodynamic (EMHD) model. On other hand, in strong relativistic case the compressibility effects of electron fluid dominate and introduce upper hybrid electrostatic oscillations transverse to the flow which are very distinct from EMHD fluid behaviour. In the nonlinear regime, both weak and strong relativistic cases lead to turbulence with broad power law spectrum.
Subjects: Plasma Physics (physics.plasm-ph)
Cite as: arXiv:1605.09151 [physics.plasm-ph]
  (or arXiv:1605.09151v1 [physics.plasm-ph] for this version)
  https://doi.org/10.48550/arXiv.1605.09151
Related DOI: https://doi.org/10.1063/1.4960565

Submission history

From: Chandrasekhar Shukla [view email]
[v1] Mon, 30 May 2016 09:34:10 UTC (5,721 KB)
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