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論文

On the breaking of a plasma wave in a thermal plasma, 1; The Structure of the density singularity

Bulanov, S. V.; Esirkepov, T. Z.; 神門 正城; Koga, J. K.; Pirozhkov, A. S.; 中村 龍史; Bulanov, S. S.*; Schroeder, C. B.*; Esarey, E.*; Califano, F.*; et al.

Physics of Plasmas, 19(11), p.113102_1 - 113102_14, 2012/11

 被引用回数:16 パーセンタイル:60.35(Physics, Fluids & Plasmas)

The structure of the singularity that is formed in a relativistically large amplitude plasma wave close to the wave breaking limit is found by using a simple waterbag electron distribution function. The electron density distribution in the breaking wave has a typical "peakon" form. The maximum value of the electric field in a thermal breaking plasma is obtained and compared to the cold plasma limit. The results of computer simulations for different initial electron distribution functions are in agreement with the theoretical conclusions.

論文

On the breaking of a plasma wave in a thermal plasma, 2; Electromagnetic wave interaction with the breaking plasma wave

Bulanov, S. V.; Esirkepov, T. Z.; 神門 正城; Koga, J. K.; Pirozhkov, A. S.; 中村 龍史; Bulanov, S. S.*; Schroeder, C. B.*; Esarey, E.*; Califano, F.*; et al.

Physics of Plasmas, 19(11), p.113103_1 - 113103_7, 2012/11

 被引用回数:13 パーセンタイル:53.19(Physics, Fluids & Plasmas)

The structure of the density singularity formed in a relativistically large amplitude plasma wave close to the wave breaking limit leads to a refraction coefficient which has a coordinate dependence with discontinuous derivatives. This results in a non-exponentially small above-barrier reflection of an electromagnetic wave interacting with the nonlinear plasma wave.

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