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

Bulanov, S. V.; Esirkepov, T. Z.; Kando, Masaki; Koga, J. K.; Pirozhkov, A. S.; Nakamura, Tatsufumi; Bulanov, S. S.*; Schroeder, C. B.*; Esarey, E.*; Califano, F.*; Pegoraro, F.*

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.

Language	:	English
Journal	:	Physics of Plasmas
Volume	:	19
Number	:	11
Pages	:	p.113102_1 - 113102_14
Publication Year/Month	:	2012/11
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Paper URL	:	https://doi.org/10.1063/1.4764052
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Keywords	:	no keyword
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Registration No. : AA20110977
JAEA Abstracts No. : 41000171
Paper Submission No. : 11776

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