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http://hdl.handle.net/10071/8898
acessibilidade
Title: Shock formation in electron–ion plasmas: mechanism and timing
Authors: Stockem, A.
Bret, A.
Fonseca, R. A.
Silva, L. O.
Keywords: Instabilities
Relativistic processes
Shock waves
Issue Date: 2015
Publisher: IOP Publishing Ltd
Abstract: We analyze the full shock formation process in electron–ion plasmas in theory and simulations. It is accepted that electromagnetic shocks in initially unmagnetized relativistic plasmas are triggered by filamentation instability. However, the transition from the first unstable phase to the quasi-steady shock is still missing. We derive a theoretical model for the shock formation time, taking into account filament merging in the nonlinear phase of the filamentation instability. This process is much slower than in electron–positron pair shocks, and so the shock formation is longer by a factor proportional to .
Peer reviewed: Sim
URI: https://ciencia.iscte-iul.pt/public/pub/id/23450
http://hdl.handle.net/10071/8898
ISSN: 2041-8205
Publisher version: The definitive version is available at: http://dx.doi.org/10.1088/2041-8205/803/2/L29
Appears in Collections:CTI-RI - Artigos em revistas científicas internacionais com arbitragem científica

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