Analytic models of warm plasma dispersion relations

Journal Article · Tue Sep 15 00:00:00 EDT 2009 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.3216459· OSTI ID:21282090

Seough, J J; Yoon, P H ^[1]

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1. School of Space Research, Kyung Hee University, Yongin, Gyeonggi 446-701 (Korea, Republic of)

The present paper is concerned with analytic models of warm plasma dispersion relations for electromagnetic waves propagating parallel to the ambient magnetic field. Specifically, effects of finite betas on two slow modes, namely, the left-hand circularly polarized ion-cyclotron mode and the right-hand circularly polarized whistler mode, are investigated. Analytic models of the warm plasma dispersion relations are constructed on the basis of conjecture and upon comparisons with numerically found roots. It is shown that the model solutions are good substitutes for actual roots. The significance of the present work in the context of nonlinear plasma research is discussed.

• OSTI ID: 21282090
• Journal Information: Physics of Plasmas, Vol. 16, Issue 9; Other Information: DOI: 10.1063/1.3216459; (c) 2009 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 1070-664X
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
DISPERSION RELATIONS
ELECTROMAGNETIC RADIATION
PLASMA
PLASMA SIMULATION
PLASMA WAVES
WAVE PROPAGATION
WHISTLER INSTABILITY