Two-stream instability in a collisionless plasma |
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| Authors: | S N Kathuria G L Kalra |
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| Institution: | (1) Weather Radar Unit, India Meteorological Dept., New Delhi, India;(2) Dept. of Physics and Astrophysics, Univ. of Delhi, Delhi, India |
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| Abstract: | This paper discusses the development of two-stream instability in a collisionless plasma. The plasma is described by velocity moments of Vlasov equation where heat flow tensor has been neglected. A dispersion relation for arbitrary propagation is derived for a collisionless electron fluid. Special cases of propagation parallel and perpendicular to the field lines are discussed. Growth rate is computed for parameters representative of the shear layers of solar wind at one AU. It is found that the shear layers are likely to be overstable. |
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