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Kinetic simulations of electrostatic plasma waves using Cubic-Interpolated-Propagation scheme

Lesur, M.*; Idomura, Yasuhiro   ; Tokuda, Shinji

Kinetic properties of small amplitude waves in an electron plasma are studied using analytic and numerical calculations based on the Vlasov-Poisson system. The dispersion relation of plasma waves in a Maxwellian plasma is solved using Laplace-Fourier transform, and it is shown that waves decay in time by Landau damping. A simulation code for solving the Vlasov-Poisson system in phase space is developed using the Cubic-Interpolated-Propagation (CIP) scheme, and Landau damping is successfully calculated numerically. Finally, the stability of an electron plasma with a beam component is discussed by applying these analytic and numerical approaches.



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