ŠRÁMKOVÁ, Eva. Epicyclic Oscillations Of Non-Slender Fluid Tori Around Kerr Black Holes. Classical Quantum Gravity. GB - Spojené království Velké Británie a, 2009, vol. 26, No 5, 25 pp. ISSN 1361-6382.
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Basic information
Original name Epicyclic Oscillations Of Non-Slender Fluid Tori Around Kerr Black Holes
Authors ŠRÁMKOVÁ, Eva.
Edition Classical Quantum Gravity, GB - Spojené království Velké Británie a, 2009, 1361-6382.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10308 Astronomy
Confidentiality degree is not subject to a state or trade secret
Organization unit Faculty of Philosophy and Science in Opava
Keywords in English Epicyclic oscillations, Kerr black hole, black hole, QPO
Tags UF
Tags International impact
Changed by Changed by: Mgr. Pavlína Jalůvková, učo 25213. Changed: 1/12/2020 12:04.
Abstract
Considering epicyclic oscillations of pressure-supported perfect fluid tori orbiting Kerr black holes we examine non-geodesic (pressure) effects on the epicyclic modes properties. Using a perturbation method we derive fully general relativistic formulasfor eigenfunctions and eigenfrequencies of the radial and vertical epicyclic modes of a slightly non-slender, constant specific angular momentum torus up to second-order accuracy with respect to the torus thickness.
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