Space and Astrophysical Plasmas : Dromion solutions for an electron acoustic wave and its application to space observations

Pramana

G S Lakhina²  S S Ghosh1¹  A Sen¹ 

[1] Institute for Plasma Research, Bhat, Gandhinagar 382 428, India$$;Indian Institute of Geomagnetism, Colaba, Mumbai 400 005, India$$

关键词: Davey–Stewartson equation;    electron acoustic wave;    space plasma.;   

DOI  :  

学科分类：物理（综合）

来源: Indian Academy of Sciences

【 摘 要 】

The nonlinear evolution of an electron acoustic wave is shown to obey the Davey–Stewartson I equation which admits so called dromion solutions. The importance of these two dimensional localized solutions for recent satellite observations of wave structures in the day side polar cap regions is discussed and the parameter regimes for their existence is delineated.

【 授权许可】

Unknown