Coulomb collision effects on linear Landau damping

Journal Article · Thu May 15 00:00:00 EDT 2014 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.4875726· OSTI ID:22252809

Callen, J. D., E-mail: [e-mail] ^[1]

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1. University of Wisconsin, Madison, Wisconsin 53706-1609 (United States)

Coulomb collisions at rate ν produce slightly probabilistic rather than fully deterministic charged particle trajectories in weakly collisional plasmas. Their diffusive velocity scattering effects on the response to a wave yield an effective collision rate ν{sub eff} ≫ ν and a narrow dissipative boundary layer for particles with velocities near the wave phase velocity. These dissipative effects produce temporal irreversibility for times t ≳ 1/ν{sub eff} during Landau damping of a small amplitude Langmuir wave.

• OSTI ID: 22252809
• Journal Information: Physics of Plasmas, Vol. 21, Issue 5; Other Information: (c) 2014 Author(s); Country of input: International Atomic Energy Agency (IAEA); ISSN 1070-664X
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
AMPLITUDES
BOUNDARY LAYERS
CHARGED PARTICLES
COLLISIONAL PLASMA
COLLISIONS
LANDAU DAMPING
PHASE VELOCITY
PROBABILISTIC ESTIMATION
SCATTERING