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@inproceedings{46060,
author = {Kološ, Martin and Stuchlík, Zdeněk},
address = {Opava},
booktitle = {Proceedings of RAGtime 14-16: Workshops on black holes and neutron stars},
keywords = {string loops; quasiperiodic oscillations; X-ray binary; XTE J1701-462},
language = {eng},
location = {Opava},
isbn = {978-80-7510-126-6},
pages = {235-247},
publisher = {Slezská univerzita v Opavě, Filozoficko-přírodovědecká fakulta, Ústav fyziky},
title = {HF QPOs in the neutron star binary system XTE J1701-462 fitted by the model of oscillating string loops},
year = {2014}
}
TY - JOUR
ID - 46060
AU - Kološ, Martin - Stuchlík, Zdeněk
PY - 2014
TI - HF QPOs in the neutron star binary system XTE J1701-462 fitted by the model of oscillating string loops
PB - Slezská univerzita v Opavě, Filozoficko-přírodovědecká fakulta, Ústav fyziky
CY - Opava
SN - 9788075101266
KW - string loops
KW - quasiperiodic oscillations
KW - X-ray binary
KW - XTE J1701-462
N2 - Axisymmetric string loops oscillating around a stable equilibrium position in the Kerr background are applied to explain the special set of frequencies related to the high-frequency quasiperiodic oscillations observed in the low mass X-ray binary XTE J1701-462 containing a neutron star. Frequencies of the radial and vertical string loop oscillations are determined by the mass M and dimensionless spin a of the neutron star, and by dimensionless parameter ! describing combined effects of the string loop tension and its angular momentum. Equilibrium position of the string loop is given by its angular momentum and energy. The string-loop oscillation model can explain the observed kHz frequencies, but the stringy parameter ! cannot be the same for all the three HF QPO observations in the XTE J1701-462 source; the limits on the acceptable values of ! are given in dependence on the spacetime parameters M and a. However, the model implies restriction M > 3.3M_{sun} on the neutron star mass tha
ER -
KOLOŠ, Martin and Zdeněk STUCHLÍK. HF QPOs in the neutron star binary system XTE J1701-462 fitted by the model of oscillating string loops. In \textit{Proceedings of RAGtime 14-16: Workshops on black holes and neutron stars}. Opava: Slezská univerzita v Opavě, Filozoficko-přírodovědecká fakulta, Ústav fyziky, 2014, p.~235-247. ISBN~978-80-7510-126-6.
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