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dc.contributor.authorHikishima, Mitsuruja
dc.contributor.authorOmura, Yoshiharuja
dc.contributor.authorSummers, Dannyja
dc.contributor.alternative疋島, 充ja
dc.date.accessioned2011-01-21T03:00:02Z-
dc.date.available2011-01-21T03:00:02Z-
dc.date.issued2010-12ja
dc.identifier.issn0148-0227ja
dc.identifier.urihttp://hdl.handle.net/2433/134605-
dc.description.abstractSelf-consistent electromagnetic particle simulations were performed to analyze whistler mode triggered emissions in the magnetosphere. Triggering whistler mode waves injected at the magnetic equator induces a nonlinear absolute instability that results in rising tone emissions similar to natural whistler mode chorus emissions. The triggering wave causes a depletion of resonant electrons at the resonance velocity. The phase-organized resonant electrons released by the triggering waves generate coherent waves that undergo nonlinear growth with increasing frequencies. The essential mechanism is the same as that for the generation of chorus emissions. Saturation of the nonlinear wave growth is caused by enhancement of resonant electrons at high pitch angles that have been trapped and guided along the resonance velocity by the triggered emissions. Because of the decreasing resonance velocity resulting from the increasing frequency, trapped electrons are accelerated to higher pitch angles. Saturation of the nonlinear wave growth thereby results in electron acceleration.ja
dc.format.mimetypeapplication/pdfja
dc.language.isoengja
dc.publisherAmerican Geophysical Unionja
dc.rights©2011. American Geophysical Union.ja
dc.rightsThis is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。ja
dc.subjecttriggered emissionja
dc.subjectparticle simulationja
dc.subjectwave-particle interactionja
dc.titleSelf-consistent particle simulation of whistler mode triggered emissionsja
dc.type.niitypeJournal Articleja
dc.identifier.ncidAA00698937ja
dc.identifier.jtitleJournal of Geophysical Researchja
dc.identifier.volume115ja
dc.relation.doi10.1029/2010JA015860ja
dc.textversionauthorja
dc.identifier.artnumA12246ja
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