About: Inducing Chaos by Breaking Axial Symmetry in a Black Hole Magnetosphere

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	While the motion of particles near a rotating, electrically neutral (Kerr), and charged (Kerr-Newman) black hole is always strictly regular, a perturbation in the gravitational or the electromagnetic field generally leads to chaos. The transition from regular to chaotic dynamics is relatively gradual if the system preserves axial symmetry, whereas non-axisymmetry induces chaos more efficiently. Here we study the development of chaos in an oblique (electro-vacuum) magnetosphere of a magnetized black hole. Besides the strong gravity of the massive source represented by the Kerr metric, we consider the presence of a weak, ordered, large-scale magnetic field. An axially symmetric model consisting of a rotating black hole embedded in an aligned magnetic field is generalized by allowing an oblique direction of the field having a general inclination with respect to the rotation axis of the system. While the motion of particles near a rotating, electrically neutral (Kerr), and charged (Kerr-Newman) black hole is always strictly regular, a perturbation in the gravitational or the electromagnetic field generally leads to chaos. The transition from regular to chaotic dynamics is relatively gradual if the system preserves axial symmetry, whereas non-axisymmetry induces chaos more efficiently. Here we study the development of chaos in an oblique (electro-vacuum) magnetosphere of a magnetized black hole. Besides the strong gravity of the massive source represented by the Kerr metric, we consider the presence of a weak, ordered, large-scale magnetic field. An axially symmetric model consisting of a rotating black hole embedded in an aligned magnetic field is generalized by allowing an oblique direction of the field having a general inclination with respect to the rotation axis of the system. (en)
Title	Inducing Chaos by Breaking Axial Symmetry in a Black Hole Magnetosphere Inducing Chaos by Breaking Axial Symmetry in a Black Hole Magnetosphere (en)
skos:prefLabel	Inducing Chaos by Breaking Axial Symmetry in a Black Hole Magnetosphere Inducing Chaos by Breaking Axial Symmetry in a Black Hole Magnetosphere (en)
skos:notation	RIV/67985815:_____/14:00428324!RIV15-GA0-67985815
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GC13-00070J)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Karas, Vladimír Kopáček, Ondřej
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	21231
http://linked.open...ai/riv/idVysledku	RIV/67985815:_____/14:00428324
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	black holes; chaos (en)
http://linked.open.../riv/klicoveSlovo	black holes chaos
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[595B0F8099EC]
http://linked.open...i/riv/nazevZdroje	Astrophysical Journal
http://linked.open...in/vavai/riv/obor	BN
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Accretion process in strong gravity of Galactic Center
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	787
http://linked.open...iv/tvurceVysledku	Karas, Vladimír Kopáček, Ondřej
http://linked.open...ain/vavai/riv/wos	000336246700022
issn	0004-637X
number of pages	12 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/0004-637X/787/2/117

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