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Higher branches of the dispersion relation for perpendicular magnetosonic waves in relativistic anisotropic plasmas
Published online by Cambridge University Press: 13 March 2009
Abstract
Dispersion relations are calculated and solved for frequencies near the first two harmonics (Ω/Ω+ = 2, 3) of perpendicular magnetosonic waves in relativistic anisotropic plasmas. In this, wavelengths larger than the ion Larmor radius and large plasma frequency (Ω2p, ≫ Ω2+) are assumed. It is found that, even for Tψ ≫ T the plasma is stable. This result has application to the steady-state, spherically symmetrical, expanding, solar-wind plasma.
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