Test of the string loop oscillation model using kHz quasiperiodic oscillations in a neutron star binary
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F47813059%3A19240%2F15%3A%230005476" target="_blank" >RIV/47813059:19240/15:#0005476 - isvavai.cz</a>
Result on the web
<a href="http://link.springer.com/article/10.1007%2Fs10714-015-1863-y" target="_blank" >http://link.springer.com/article/10.1007%2Fs10714-015-1863-y</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/s10714-015-1863-y" target="_blank" >10.1007/s10714-015-1863-y</a>
Alternative languages
Result language
angličtina
Original language name
Test of the string loop oscillation model using kHz quasiperiodic oscillations in a neutron star binary
Original language description
The model of current-carrying string loop oscillations is tested to explain the special set of frequencies related to the high-frequency quasiperiodic oscillations (HF QPOs) observed recently in the low-mass X-ray binary XTE J1701-407 containing a neutron star. The external geometry of the neutron star is approximated by the Kerr geometry, introducing errors not exceeding 10% for slowly rotating massive neutron stars. The frequencies of the radial and vertical string loop oscillations are then governedby the mass M and dimensionless spin a of the neutron star, and by the dimensionless parameter omega describing combined effects of the string loop tension and its angular momentum. It is explicitly demonstrated that the string-loop oscillation model canexplain the observed kHz frequencies for the neutron star parameters restricted to the intervals 0.2 < a < 0.4 and 2.1 < M/M_{circle dot} < 2.5. However, the stringy parameter omega cannot be the same for all the three HF QPO observation
Czech name
—
Czech description
—
Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BN - Astronomy and celestial mechanics, astrophysics
OECD FORD branch
—
Result continuities
Project
<a href="/en/project/GB14-37086G" target="_blank" >GB14-37086G: Albert Einstein Center for Gravitation and Astrophysics</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
General Relativity and Gravitation
ISSN
0001-7701
e-ISSN
—
Volume of the periodical
47
Issue of the periodical within the volume
3
Country of publishing house
US - UNITED STATES
Number of pages
23
Pages from-to
"27-1"-"27-23"
UT code for WoS article
000350690000011
EID of the result in the Scopus database
2-s2.0-84923172178