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Autores principales: Demidov, Ivan, Lyubarsky, Yuri, Keshet, Uri
Formato: Preprint
Publicado: 2025
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Acceso en línea:https://arxiv.org/abs/2511.00742
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author Demidov, Ivan
Lyubarsky, Yuri
Keshet, Uri
author_facet Demidov, Ivan
Lyubarsky, Yuri
Keshet, Uri
contents We investigate the formation of plasma cavities in unmagnetized relativistic pair shocks and demonstrate that these cavities emerge naturally as a nonlinear consequence of asymmetric Weibel instability. We provide an intuitive physical picture and a minimal fluid model that captures the essential features of this cavitation instability and compare them with PIC results. This mechanism may provide the missing link between kinetic Weibel turbulence and macroscopic magnetic fields in astrophysical shocks.
format Preprint
id arxiv_https___arxiv_org_abs_2511_00742
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Cavitation instability in unmagnetized relativistic pair shocks
Demidov, Ivan
Lyubarsky, Yuri
Keshet, Uri
High Energy Astrophysical Phenomena
We investigate the formation of plasma cavities in unmagnetized relativistic pair shocks and demonstrate that these cavities emerge naturally as a nonlinear consequence of asymmetric Weibel instability. We provide an intuitive physical picture and a minimal fluid model that captures the essential features of this cavitation instability and compare them with PIC results. This mechanism may provide the missing link between kinetic Weibel turbulence and macroscopic magnetic fields in astrophysical shocks.
title Cavitation instability in unmagnetized relativistic pair shocks
topic High Energy Astrophysical Phenomena
url https://arxiv.org/abs/2511.00742