Landau damping of twisted waves in Cairns distribution with anisotropic temperature |
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Authors: | Sunggeun LEE Hankwon LIM |
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Abstract: | The consideration of orbital angular momentum of an electric field(twisted mode)is applied to the kinetic theory of plasma.The linearized Vlasov-Poisson equation is solved for the anisotropic thermal distributed bi-Maxwellian and Cairns distributions of electrons to obtain the damping rates of twisted waves.The dispersion relation and Landau damping of Langmuir twisted modes are obtained.The presence of twisted modes opens up two more possibilities in Landau damping and dispersion relations.This may generate a mixture with ion sound waves.It seems to play the role of a control parameter of Landau damping. |
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Keywords: | Landau damping Cairns distribution function anisotropic |
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