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Nonlinear Korteweg–de Vries–Burger equation for ion-acoustic shock waves in the presence of kappa distributed electrons and positrons

Asif Shah, R Saeed2011年Plasma Physics and Controlled FusionIF 2.2出版社

The ion-acoustic shock waves are studied in electron–positron–ion plasma. The plasma system is composed of three components, specifically relativistic adiabatic ions, kappa distributed electrons and positrons. The Korteweg–de Vries–Burger equation is derived, solved analytically. The effects of plasma parameters on the shock strength and steepness are investigated. The numerical results are presented graphically for illustration. The results may have importance in non-thermal and relativistic plasmas of pulsar magnetosphere (Arons 2009 Astrophys. Space Sci. Library357 373; Blasi and Amato arXiv:1007.4745V1 [astro-Ph.HE]).

日本語訳

イオン音響衝撃波は、電子-陽電子プラズマ中で研究される。このプラズマ系は、具体的には相対論的断熱イオン、カッパ分布をした電子および陽電子の3成分から構成される。Korteweg-de Vries-Burger方程式が導出され、解析的に解かれる。プラズマパラメータが衝撃波の急峻性と波高に及ぼす影響が調査される。数値計算結果は図示によって示される。これらの結果は、パルサー磁気圏における非熱的および相対論的プラズマ(Arons 2009 Astrophys. Space Sci. Library 357 373; Blasi and Amato arXiv:1007.4745v1 [astro-ph.HE])において重要性を持ち得る。

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Ion acoustic waveShock waves
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