Three dimensional character of whistler turbulence

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dc.contributor.authorGanguli, Gurudasen
dc.contributor.authorRudakov, Leoniden
dc.contributor.authorScales, Wayne A.en
dc.contributor.authorWang, Joseph J.en
dc.contributor.authorMithaiwala, Manishen
dc.contributor.departmentElectrical and Computer Engineeringen
dc.date.accessed2014-01-25en
dc.date.accessioned2014-01-23T13:49:08Zen
dc.date.available2014-01-23T13:49:08Zen
dc.date.issued2010-05-01en
dc.description.abstractIt is shown that the dominant nonlinear effect makes the evolution of whistler turbulence essentially three dimensional in character. Induced nonlinear scattering due to slow density perturbation resulting from ponderomotive force triggers energy flux toward lower frequency. Anisotropic wave vector spectrum is generated by large angle scatterings from thermal plasma particles, in which the wave propagation angle is substantially altered but the frequency spectrum changes a little. As a consequence, the wave vector spectrum does not indicate the trajectory of the energy flux. There can be conversion of quasielectrostatic waves into electromagnetic waves with large group velocity, enabling convection of energy away from the region. We use a two-dimensional electromagnetic particle-in-cell model with the ambient magnetic field out of the simulation plane to generate the essential three-dimensional nonlinear effects. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3420245]en
dc.description.sponsorshipONRen
dc.description.sponsorshipDARPAen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationGanguli, Gurudas; Rudakov, Leonid; Scales, Wayne; et al., "Three dimensional character of whistler turbulence," Phys. Plasmas 17, 052310 (2010); http://dx.doi.org/10.1063/1.3420245en
dc.identifier.doihttps://doi.org/10.1063/1.3420245en
dc.identifier.issn1070-664Xen
dc.identifier.urihttp://hdl.handle.net/10919/25124en
dc.identifier.urlhttp://scitation.aip.org/content/aip/journal/pop/17/5/10.1063/1.3420245en
dc.language.isoenen
dc.publisherAIP Publishingen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectPlasma electromagnetic wave propagationen
dc.subjectPlasma electrostatic wavesen
dc.subjectPlasma flowen
dc.subjectPlasma nonlinear wavesen
dc.subjectPlasma simulationen
dc.subjectTurbulenceen
dc.subjectParametric-instabilitiesen
dc.subjectPlasmaen
dc.subjectWavesen
dc.subjectMagnetosphereen
dc.subjectEmissionsen
dc.subjectCollapseen
dc.titleThree dimensional character of whistler turbulenceen
dc.title.serialPhysics of Plasmasen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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