Ion acoustic-like waves triggered by nonlinear circularly polarized waves in the presence of an alpha particle beam
Author
dc.contributor.author
Gomberoff, L.
Admission date
dc.date.accessioned
2019-01-29T15:34:31Z
Available date
dc.date.available
2019-01-29T15:34:31Z
Publication date
dc.date.issued
2006
Cita de ítem
dc.identifier.citation
Journal of Geophysical Research: Space Physics, Volumen 111, Issue 12, 2006
Identifier
dc.identifier.issn
21699402
Identifier
dc.identifier.other
10.1029/2006JA012053
Identifier
dc.identifier.uri
https://repositorio.uchile.cl/handle/2250/161656
Abstract
dc.description.abstract
We consider a fast solar wind-type plasma consisting of electrons, a protons background, and a much more tenuous alpha particle beam. It is shown that such system is unstable against ion acoustic-like waves triggered by finite-amplitude left-hand polarized waves propagating in the direction of the interplanetary magnetic field. The ion acoustic-like waves have similar properties to those found in a plasma with a much denser proton beam (Gomberoff, 2006b). Although the alpha particle beam is much more tenuous than the proton beam, the system is equally able to trigger ion acoustic-like waves. Therefore we believe that this effect should be taken into account in the evolution of the fast solar wind.