2015
Quasi-harmonic oscillatory motion of charged particles around a Schwarzschild black hole immersed in a uniform magnetic field
KOLOŠ, Martin; Zdeněk STUCHLÍK and Arman TURSUNOVBasic information
Original name
Quasi-harmonic oscillatory motion of charged particles around a Schwarzschild black hole immersed in a uniform magnetic field
Authors
Edition
Classical and Quantum Gravity, GB - Spojené království Velké Británie a, 2015, 0264-9381
Other information
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
References:
Impact factor
Impact factor: 2.837
Organization unit
Faculty of Philosophy and Science in Opava
UT WoS
000358741800010
EID Scopus
2-s2.0-84938326628
Keywords in English
black hole physics; magnetic field; X-rays: binaries
Tags
Tags
International impact, Reviewed
Links
GB14-37086G, research and development project.
Changed: 27/1/2021 10:24, Mgr. Pavlína Jalůvková
Abstract
In the original language
In order to test the role of large-scale magnetic fields in quasi-periodic oscillation phenomena observed in microquasars, we study the oscillatory motion of charged particles in the vicinity of a Schwarzschild black hole immersed into an external asymptotically uniform magnetic field. We determine the fundamental frequencies of small harmonic oscillations of charged test particles around stable circular orbits in the equatorial plane of a magnetized black hole, and discuss the radial profiles of frequencies of the radial and latitudinal harmonic oscillations in dependence on the mass of the black hole and the strength of the magnetic field. We demonstrate that assuming relevance of resonant phenomena of the radial and latitudinal oscillations of charged particles at their frequency ratio 3 : 2, the oscillatory frequencies of charged particles can be well related to the frequencies of the twin high-frequency quasi-periodic oscillations observed in the microquasars GRS 1915+105, XTE 155