About: Role of electric charge in shaping equilibrium configurations of fluid tori encircling black holes

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Following our previous studies of charged test particles and uncharged perfect fluid tori encircling compact objects, we introduce here a simple test model of a charged perfect fluid torus in strong gravitational and electromagnetic fields. In contrast to ideal magnetohydrodynamic models, we consider here the opposite limit of negligible conductivity, where the charges are tied completely to the moving matter. This is an extreme limiting case which can provide a useful reference against which to compare subsequent more complicated astrophysically motivated calculations. To clearly demonstrate the features of our model, we construct three-dimensional axisymmetric charged toroidal configurations around Reissner-Nordström black holes and compare them with equivalent configurations of electrically neutral tori. Following our previous studies of charged test particles and uncharged perfect fluid tori encircling compact objects, we introduce here a simple test model of a charged perfect fluid torus in strong gravitational and electromagnetic fields. In contrast to ideal magnetohydrodynamic models, we consider here the opposite limit of negligible conductivity, where the charges are tied completely to the moving matter. This is an extreme limiting case which can provide a useful reference against which to compare subsequent more complicated astrophysically motivated calculations. To clearly demonstrate the features of our model, we construct three-dimensional axisymmetric charged toroidal configurations around Reissner-Nordström black holes and compare them with equivalent configurations of electrically neutral tori. (en)
Title	Role of electric charge in shaping equilibrium configurations of fluid tori encircling black holes Role of electric charge in shaping equilibrium configurations of fluid tori encircling black holes (en)
skos:prefLabel	Role of electric charge in shaping equilibrium configurations of fluid tori encircling black holes Role of electric charge in shaping equilibrium configurations of fluid tori encircling black holes (en)
skos:notation	RIV/67985815:_____/11:00365019!RIV12-AV0-67985815
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA205/07/0052), P(LC06014), Z(AV0Z10030501), Z(MSM4781305903)
http://linked.open...iv/cisloPeriodika	8
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Karas, Vladimír
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Astronomický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	227431
http://linked.open...ai/riv/idVysledku	RIV/67985815:_____/11:00365019
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	black holes (en)
http://linked.open.../riv/klicoveSlovo	black holes
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[5764327E885E]
http://linked.open...i/riv/nazevZdroje	Physical Review D: Particles, Fields, Gravitation and Cosmology
http://linked.open...in/vavai/riv/obor	BN
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Center for Theoretical Astrophysics Signatures of strong gravity in black hole accretion discs and in outflows
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	84
http://linked.open...iv/tvurceVysledku	Karas, Vladimír Kovář, J. Cremaschini, C. Miller, J. C. Slaný, P. Stuchlík, Z.
http://linked.open...ain/vavai/riv/wos	000296524300003
http://linked.open...n/vavai/riv/zamer	Astronomie a astrofyzika Relativistic and particle physics and its astrophysical application
issn	1550-7998
number of pages	14 (xsd:int)
http://bibframe.org/vocab/doi	10.1103/PhysRevD.84.084002

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