Black holes and magnetic fields

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dc.creatorBicak, J.
dc.creatorKaras, V.
dc.creatorLedvinka, T.
dc.date2006-10-27
dc.date2007-04-09
dc.date.accessioned2026-07-07T07:55:36Z
dc.date.available2026-07-07T07:55:36Z
dc.descriptionStationary axisymmetric magnetic fields are expelled from outer horizons of black holes as they become extremal. Extreme black holes exhibit Meissner effect also within exact Einstein--Maxwell theory and in string theories in higher dimensions. Since maximally rotating black holes are expected to be astrophysically most important, the expulsion of the magnetic flux from their horizons represents a potential threat to an electromagnetic mechanism launching the jets at the account of black-hole rotation.
dc.descriptionOne figure and a reference added to match the final version after proof. To appear in Proceedings of "Black Holes: from Stars to Galaxies", IAU Symposium No. 238 (21-25 August 2006, Prague), eds. V. Karas & G. Matt, Cambridge University Press, p. 139
dc.identifierhttps://arxiv.org/abs/astro-ph/0610841
dc.identifierhttp://arxiv.org/abs/astro-ph/0610841
dc.identifierdoi:10.1017/S1743921307004851
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/127023
dc.subjectAstrophysics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleBlack holes and magnetic fields
dc.typetext

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