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Physics of Plasmas / Volume 11 / Issue 9 / ARTICLES / Nonlinear Phenomena, Turbulence, Transport

Phys. Plasmas 11, 4220 (2004); http://dx.doi.org/10.1063/1.1773554 (10 pages)

Relativistic quasilinear diffusion in axisymmetric magnetic geometry for arbitrary-frequency electromagnetic fluctuations

Alain J. Brizard1 and Anthony A. Chan2

1Department of Chemistry and Physics, Saint Michael’s College, Colchester, Vermont 05439
2Department of Physics and Astronomy, Rice University, Houston, Texas 77005

(Received 23 March 2004; accepted 24 May 2004; published online 6 August 2004)

A relativistic bounce-averaged quasilinear diffusion equation is derived to describe stochastic particle transport associated with arbitrary-frequency electromagnetic fluctuations in a nonuniform magnetized plasma. Expressions for the elements of a relativistic quasilinear diffusion tensor are calculated explicitly for magnetically trapped particle distributions in axisymmetric magnetic geometry in terms of gyro-drift-bounce wave-particle resonances. The resonances can destroy any one of the three invariants of the unperturbed guiding-center Hamiltonian dynamics.

© 2004 American Institute of Physics

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KEYWORDS and PACS

Keywords

plasma transport processes, plasma drift waves, plasma fluctuations, magnetic traps, relativistic plasmas, stochastic processes

PACS

  • 52.25.Fi

    Transport properties

  • 52.25.Xz

    Magnetized plasmas

  • 52.55.Lf

    Field-reversed configurations, rotamaks, astrons, ion rings, magnetized target fusion, and cusps

  • 52.35.Kt

    Drift waves

  • 52.25.Gj

    Fluctuation and chaos phenomena

  • 52.27.Ny

    Relativistic plasmas

  • 05.40.-a

    Fluctuation phenomena, random processes, noise, and Brownian motion

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.1773554

PUBLICATION DATA

ISSN

1070-664X (print)  
1089-7674 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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