KOLOŠ, Martin and Zdeněk STUCHLÍK. Transition from regular to chaotic string loop motion. In Proceedings of RAGtime 10-13: Workshops on black holes and neutron stars. Opava: Slezská univerzita v Opavě, Filozoficko-přírodovědecká fakulta, Ústav fyziky, 2014, p. 113-122. ISBN 978-80-7510-124-2.
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Basic information
Original name Transition from regular to chaotic string loop motion
Authors KOLOŠ, Martin and Zdeněk STUCHLÍK.
Edition Opava, Proceedings of RAGtime 10-13: Workshops on black holes and neutron stars, p. 113-122, 10 pp. 2014.
Publisher Slezská univerzita v Opavě, Filozoficko-přírodovědecká fakulta, Ústav fyziky
Other information
Original language English
Type of outcome Proceedings paper
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
ISBN 978-80-7510-124-2
ISSN 2336-5668
Keywords in English chaos and regularity; string loop; Schwarzschild; black holes; Lyapunov exponent
Tags RAGtime, UF
Tags International impact
Links EE2.3.20.0071, research and development project. GB14-37086G, research and development project.
Changed by Changed by: Mgr. Pavlína Jalůvková, učo 25213. Changed: 26/1/2021 11:01.
Abstract
We study transition from regular to chaotic motion in the neighbourhood of stable equilibrium point of a relativistic current-carrying string-loop located around Schwarzschild black hole. We demonstrate successive transfer from the purely regular, periodic motion through quasi-periodic motion to purely chaotic motion of the string loop, with increasing of its energy. We also calculated quasi-periodic fundamental frequencies, which are important for survival of corresponding KAM tori. Using maximal Lyapunov exponent we show how the chaoticity of the string loop motion changes with increase of the string loop energy.
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