Ion acceleration during adiabatic plasma expansion: Renormalization group approach |
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Authors: | VF Kovalev V Yu Bychenkov V T Tikhonchuk |
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Institution: | (1) Institute for Mathematical Modeling, Russian Academy of Sciences, Miusskaya pl. 4a, Moscow, 125047, Russia;(2) Lebedev Institute of Physics, Russian Academy of Sciences, Leninskii pr. 53, Moscow, 117924, Russia |
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Abstract: | The renormalization group approach is applied to derive an exact solution to self-consistent Vlasov kinetic equations for plasma particles in the quasineutral approximation. The solution obtained describes the one-dimensional adiabatic expansion into vacuum of a plasma bunch with arbitrary initial velocity distributions of the electrons and ions. The ion acceleration is investigated for both a Maxwellian two-temperature initial electron distribution and a super-Gaussian initial electron distribution. |
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