GRB: magnetic fields, cosmic rays, and emission from first principles?

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dc.creatorGruzinov, Andrei
dc.date2008-03-10
dc.date.accessioned2026-07-07T09:25:47Z
dc.date.available2026-07-07T09:25:47Z
dc.descriptionWe describe a scenario for large-scale magnetic field generation and particle acceleration in a collisionless collision of cold plasma clouds. A first-principle (i.e. using particles) numerical simulation of this process might be possible. Our scenario is essentially 3D. We argue that {\it large-scale} magnetic fields are not generated in 2D, even in collisionless plasma. We calculate and numerically simulate magnetic field generation by relativistic collisionless Kelvin-Helmholtz instability in 2D. Collisionless tangential discontinuity might be more important than collisionless shock, because tangential discontinuity remains unstable even in the hydro limit, when the shock stabilizes.
dc.description5 pages
dc.identifierhttps://arxiv.org/abs/0803.1182
dc.identifierhttp://arxiv.org/abs/0803.1182
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/156527
dc.subjectAstrophysics
dc.titleGRB: magnetic fields, cosmic rays, and emission from first principles?
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