Primordial magnetic fields and nonlinear electrodynamics

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dc.creatorKunze, Kerstin E.
dc.date2007-10-12
dc.date.accessioned2026-07-07T11:53:32Z
dc.date.available2026-07-07T11:53:32Z
dc.descriptionThe creation of large scale magnetic fields is studied in an inflationary universe where electrodynamics is assumed to be nonlinear. After inflation ends electrodynamics becomes linear and thus the description of reheating and the subsequent radiation dominated stage are unaltered. The nonlinear regime of electrodynamics is described by lagrangians having a power law dependence on one of the invariants of the electromagnetic field. It is found that there is a range of parameters for which primordial magnetic fields of cosmologically interesting strengths can be created.
dc.description21 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/0710.2435
dc.identifierhttp://arxiv.org/abs/0710.2435
dc.identifierPhys.Rev.D77:023530,2008
dc.identifierdoi:10.1103/PhysRevD.77.023530
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/204569
dc.subjectAstrophysics
dc.titlePrimordial magnetic fields and nonlinear electrodynamics
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