Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/100747
Type: Artigo de periódico
Title: Linear And Nonlinear Dispersive Alfvén Waves In Two-ion Plasmas
Author: Faria Jr. R.T.
Mirza A.M.
Shukla P.K.
Pokhotelov O.A.
Abstract: A set of coupled nonlinear equations for dispersive Alfvén waves (DAWs) in nonuniform magnetoplasmas with two-ion species is derived by employing a multifluid model. The DAW frequency is assumed to lie between the gyrofrequencies of the light and heavy ion impurities. In the linear limit, a local dispersion relation (LDR) is derived and analyzed. The LDR admits a new type of DAW in two-ion plasmas. Furthermore, it is found that stationary solutions of the nonlinear mode coupling equations in two-ion plasmas can be represented in the form of different types of coherent vortex structures. The relevance of our investigation to space and laboratory plasmas is pointed out. © 1998 American Institute of Physics.
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Rights: aberto
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0347182172&partnerID=40&md5=e3b26ae3e3100748538b78136c8655fc
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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