Dromion solutions for nonlinear electron acoustic waves in space plasmas

dc.contributor.author	Ghosh, S.S.
dc.contributor.author	Sen, A.
dc.contributor.author	Lakhina, G.S.
dc.date.accessioned	2015-06-23T11:32:57Z
dc.date.accessioned	2021-02-12T10:07:46Z
dc.date.available	2015-06-23T11:32:57Z
dc.date.available	2021-02-12T10:07:46Z
dc.date.issued	2002
dc.identifier.citation	Nonlinear Processes in Geophys.,v.9, p.463-475, 2002, doi: 10.5194/npg-9-463-2002	en_US
dc.identifier.uri	http://localhost:8080/xmlui/handle/123456789/169
dc.description.abstract	Recent high resolution measurements of POLAR and FAST satellites have revealed two-dimensional coherent structures in the polar cap boundary layer (PCBL) region. Since the ion temperature is often observed to be greater than the electron temperature in this region, electron acoustic waves can exist as a normal mode of the plasma system. It is shown that the nonlinear evolution of such waves can be modelled by the coupled Davey-Stewartson I equations. These equations, which are a generalization of the nonlinear Schrodinger equation to two dimensions, admit exponentially localized solutions called dromions. A detailed parametric characterization of the regions of existence of such solutions is presented in the context of the PCBL region.	en_US
dc.language.iso	en	en_US
dc.subject	POLAR	en_US
dc.subject	Space plasma	en_US
dc.subject	Nonlinear electron acoustic waves	en_US
dc.subject	Dromion solutions	en_US
dc.title	Dromion solutions for nonlinear electron acoustic waves in space plasmas	en_US
dc.type	Article	en_US
dc.identifier.accession	090688