Neutrino-driven electrostatic instabilities in a magnetized plasma
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFRGS |
Texto Completo: | http://hdl.handle.net/10183/169608 |
Resumo: | The destabilizing role of neutrino beams on the Trivelpiece-Gould modes is considered, assuming electrostatic perturbations in a magnetized plasma composed by electrons in a neutralizing ionic background, coupled to a neutrino species by means of an effective neutrino force arising from the electroweak interaction. The magnetic field is found to significantly improve the linear instability growth rate, as calculated for supernova type II environments. On the formal level, for wave vectors parallel or perpendicular to the magnetic field, the instability growth rate is found from the unmagnetized case replacing the plasma frequency by the appropriated Trivelpiece-Gould frequency. The growth rate associated with oblique propagation is also obtained. |
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Haas, FernandoPascoal, Kellen AlvesMendonça, José Tito2017-10-20T02:26:35Z20171550-7998http://hdl.handle.net/10183/169608001047187The destabilizing role of neutrino beams on the Trivelpiece-Gould modes is considered, assuming electrostatic perturbations in a magnetized plasma composed by electrons in a neutralizing ionic background, coupled to a neutrino species by means of an effective neutrino force arising from the electroweak interaction. The magnetic field is found to significantly improve the linear instability growth rate, as calculated for supernova type II environments. On the formal level, for wave vectors parallel or perpendicular to the magnetic field, the instability growth rate is found from the unmagnetized case replacing the plasma frequency by the appropriated Trivelpiece-Gould frequency. The growth rate associated with oblique propagation is also obtained.application/pdfengPhysical review. D, Particles, fields, gravitation, and cosmology. College Park. Vol. 96, no. 2 (July 2017), 023018, 8 p.NeutrinosRelações de dispersãoInstabilidade em plasmasOndas lineares em plasmasNeutrino-driven electrostatic instabilities in a magnetized plasmaEstrangeiroinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSORIGINAL001047187.pdf001047187.pdfTexto completo (inglês)application/pdf233144http://www.lume.ufrgs.br/bitstream/10183/169608/1/001047187.pdf3c1c4723e1531899a5abad5c31abd6a0MD51TEXT001047187.pdf.txt001047187.pdf.txtExtracted Texttext/plain32797http://www.lume.ufrgs.br/bitstream/10183/169608/2/001047187.pdf.txtfaa6334452ec537ddafda29f56a4a970MD52THUMBNAIL001047187.pdf.jpg001047187.pdf.jpgGenerated Thumbnailimage/jpeg1876http://www.lume.ufrgs.br/bitstream/10183/169608/3/001047187.pdf.jpg1be7402794edd6d68a37bb872bd98c3cMD5310183/1696082023-07-20 03:36:07.885202oai:www.lume.ufrgs.br:10183/169608Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2023-07-20T06:36:07Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false |
dc.title.pt_BR.fl_str_mv |
Neutrino-driven electrostatic instabilities in a magnetized plasma |
title |
Neutrino-driven electrostatic instabilities in a magnetized plasma |
spellingShingle |
Neutrino-driven electrostatic instabilities in a magnetized plasma Haas, Fernando Neutrinos Relações de dispersão Instabilidade em plasmas Ondas lineares em plasmas |
title_short |
Neutrino-driven electrostatic instabilities in a magnetized plasma |
title_full |
Neutrino-driven electrostatic instabilities in a magnetized plasma |
title_fullStr |
Neutrino-driven electrostatic instabilities in a magnetized plasma |
title_full_unstemmed |
Neutrino-driven electrostatic instabilities in a magnetized plasma |
title_sort |
Neutrino-driven electrostatic instabilities in a magnetized plasma |
author |
Haas, Fernando |
author_facet |
Haas, Fernando Pascoal, Kellen Alves Mendonça, José Tito |
author_role |
author |
author2 |
Pascoal, Kellen Alves Mendonça, José Tito |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Haas, Fernando Pascoal, Kellen Alves Mendonça, José Tito |
dc.subject.por.fl_str_mv |
Neutrinos Relações de dispersão Instabilidade em plasmas Ondas lineares em plasmas |
topic |
Neutrinos Relações de dispersão Instabilidade em plasmas Ondas lineares em plasmas |
description |
The destabilizing role of neutrino beams on the Trivelpiece-Gould modes is considered, assuming electrostatic perturbations in a magnetized plasma composed by electrons in a neutralizing ionic background, coupled to a neutrino species by means of an effective neutrino force arising from the electroweak interaction. The magnetic field is found to significantly improve the linear instability growth rate, as calculated for supernova type II environments. On the formal level, for wave vectors parallel or perpendicular to the magnetic field, the instability growth rate is found from the unmagnetized case replacing the plasma frequency by the appropriated Trivelpiece-Gould frequency. The growth rate associated with oblique propagation is also obtained. |
publishDate |
2017 |
dc.date.accessioned.fl_str_mv |
2017-10-20T02:26:35Z |
dc.date.issued.fl_str_mv |
2017 |
dc.type.driver.fl_str_mv |
Estrangeiro info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10183/169608 |
dc.identifier.issn.pt_BR.fl_str_mv |
1550-7998 |
dc.identifier.nrb.pt_BR.fl_str_mv |
001047187 |
identifier_str_mv |
1550-7998 001047187 |
url |
http://hdl.handle.net/10183/169608 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartof.pt_BR.fl_str_mv |
Physical review. D, Particles, fields, gravitation, and cosmology. College Park. Vol. 96, no. 2 (July 2017), 023018, 8 p. |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
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application/pdf |
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