Breakdown of the ponderomotive approximation as an acceleration mechanism in wave-particle nonlinear dynamics
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/10183/184778 |
Resumo: | In the present analysis, we study the dynamics of charged particles submitted to the action of slowly modulated electromagnetic carrier waves. While the velocity of the particles remains smaller than the carrier’s phase-velocity, their dynamics is well described by a refined ponderomotive approach. The ponderomotive approach has its own validity limits well established, beyond which particles are resonantly trapped by the carrier waves. We show that under adequate conditions, the trapping mechanism places particles at an optimal relative phase with respect to the carrier for maximum acceleration. In addition to the analytical approach involved in the ponderomotive description, we use numerical simulations to validate the corresponding dynamics as well as to explore various features of the resonant trapping and acceleration. |
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Marini, SamuelPeter, Eduardo AlcidesOliveira, Glaucius Iahnke deRizzato, Felipe Barbedo2018-11-17T03:12:09Z20171070-664Xhttp://hdl.handle.net/10183/184778001061990In the present analysis, we study the dynamics of charged particles submitted to the action of slowly modulated electromagnetic carrier waves. While the velocity of the particles remains smaller than the carrier’s phase-velocity, their dynamics is well described by a refined ponderomotive approach. The ponderomotive approach has its own validity limits well established, beyond which particles are resonantly trapped by the carrier waves. We show that under adequate conditions, the trapping mechanism places particles at an optimal relative phase with respect to the carrier for maximum acceleration. In addition to the analytical approach involved in the ponderomotive description, we use numerical simulations to validate the corresponding dynamics as well as to explore various features of the resonant trapping and acceleration.application/pdfengPhysics of plasmas. Melville. Vol. 24, no. 9 (Sept. 2017), 093113, 5 p.Ondas eletromagnéticasSimulação numéricaDinâmica não-linearBreakdown of the ponderomotive approximation as an acceleration mechanism in wave-particle nonlinear dynamicsEstrangeiroinfo: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:UFRGSTEXT001061990.pdf.txt001061990.pdf.txtExtracted Texttext/plain27532http://www.lume.ufrgs.br/bitstream/10183/184778/2/001061990.pdf.txt18f8aaabb007d4683ccbd1a35a5502abMD52ORIGINAL001061990.pdfTexto completo (inglês)application/pdf874806http://www.lume.ufrgs.br/bitstream/10183/184778/1/001061990.pdf1ca64bc1916705b63d99c19a8a4696e5MD5110183/1847782023-08-25 03:33:21.784792oai:www.lume.ufrgs.br:10183/184778Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2023-08-25T06:33:21Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false |
dc.title.pt_BR.fl_str_mv |
Breakdown of the ponderomotive approximation as an acceleration mechanism in wave-particle nonlinear dynamics |
title |
Breakdown of the ponderomotive approximation as an acceleration mechanism in wave-particle nonlinear dynamics |
spellingShingle |
Breakdown of the ponderomotive approximation as an acceleration mechanism in wave-particle nonlinear dynamics Marini, Samuel Ondas eletromagnéticas Simulação numérica Dinâmica não-linear |
title_short |
Breakdown of the ponderomotive approximation as an acceleration mechanism in wave-particle nonlinear dynamics |
title_full |
Breakdown of the ponderomotive approximation as an acceleration mechanism in wave-particle nonlinear dynamics |
title_fullStr |
Breakdown of the ponderomotive approximation as an acceleration mechanism in wave-particle nonlinear dynamics |
title_full_unstemmed |
Breakdown of the ponderomotive approximation as an acceleration mechanism in wave-particle nonlinear dynamics |
title_sort |
Breakdown of the ponderomotive approximation as an acceleration mechanism in wave-particle nonlinear dynamics |
author |
Marini, Samuel |
author_facet |
Marini, Samuel Peter, Eduardo Alcides Oliveira, Glaucius Iahnke de Rizzato, Felipe Barbedo |
author_role |
author |
author2 |
Peter, Eduardo Alcides Oliveira, Glaucius Iahnke de Rizzato, Felipe Barbedo |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Marini, Samuel Peter, Eduardo Alcides Oliveira, Glaucius Iahnke de Rizzato, Felipe Barbedo |
dc.subject.por.fl_str_mv |
Ondas eletromagnéticas Simulação numérica Dinâmica não-linear |
topic |
Ondas eletromagnéticas Simulação numérica Dinâmica não-linear |
description |
In the present analysis, we study the dynamics of charged particles submitted to the action of slowly modulated electromagnetic carrier waves. While the velocity of the particles remains smaller than the carrier’s phase-velocity, their dynamics is well described by a refined ponderomotive approach. The ponderomotive approach has its own validity limits well established, beyond which particles are resonantly trapped by the carrier waves. We show that under adequate conditions, the trapping mechanism places particles at an optimal relative phase with respect to the carrier for maximum acceleration. In addition to the analytical approach involved in the ponderomotive description, we use numerical simulations to validate the corresponding dynamics as well as to explore various features of the resonant trapping and acceleration. |
publishDate |
2017 |
dc.date.issued.fl_str_mv |
2017 |
dc.date.accessioned.fl_str_mv |
2018-11-17T03:12:09Z |
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/10183/184778 |
dc.identifier.issn.pt_BR.fl_str_mv |
1070-664X |
dc.identifier.nrb.pt_BR.fl_str_mv |
001061990 |
identifier_str_mv |
1070-664X 001061990 |
url |
http://hdl.handle.net/10183/184778 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartof.pt_BR.fl_str_mv |
Physics of plasmas. Melville. Vol. 24, no. 9 (Sept. 2017), 093113, 5 p. |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
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UFRGS |
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Repositório Institucional da UFRGS |
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Repositório Institucional da UFRGS |
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