Baryon loading and the Weibel instability in gamma-ray bursts

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dc.creatorFiore, M.
dc.creatorSilva, L. O.
dc.creatorRen, C.
dc.creatorTzoufras, M. A.
dc.creatorMori, W. B.
dc.date2006-08-24
dc.date.accessioned2026-07-07T10:23:28Z
dc.date.available2026-07-07T10:23:28Z
dc.descriptionThe dynamics of two counter-streaming electron-positron-ion unmagnetized plasma shells with zero net charge is analyzed in the context of magnetic field generation in GRB internal shocks due to the Weibel instability. The effects of large thermal motion of plasma particles, arbitrary mixture of plasma species and space charge effects are taken into account. We show that, although thermal effects slow down the instability, baryon loading leads to a non-negligible growth rate even for large temperatures and different shell velocities, thus guaranteeing the robustness and the occurrence of the Weibel instability for a wide range of scenarios.
dc.description6 pages, 4 figures. Accepted for publication in MNRAS
dc.identifierhttps://arxiv.org/abs/astro-ph/0608519
dc.identifierhttp://arxiv.org/abs/astro-ph/0608519
dc.identifierMon.Not.Roy.Astron.Soc.372:1851-1855,2006
dc.identifierdoi:10.1111/j.1365-2966.2006.10980.x
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/175843
dc.subjectAstrophysics
dc.titleBaryon loading and the Weibel instability in gamma-ray bursts
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