J 2008

Quasiperiodic oscillations in a strong gravitational field around neutron stars testing braneworld models

KOTRLOVÁ, Andrea, Zdeněk STUCHLÍK and Gabriel TÖRÖK

Basic information

Original name

Quasiperiodic oscillations in a strong gravitational field around neutron stars testing braneworld models

Authors

Edition

Classical and Quantum Gravity, GB - Spojené království Velké Británie a, 2008, 0264-9381

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10308 Astronomy

Confidentiality degree

není předmětem státního či obchodního tajemství

Organization unit

Faculty of Philosophy and Science in Opava

DOI

UT WoS

000260758600018

Keywords in English

QPO, neutron star, brany universe, tidal charge

Tags

Tags

International impact, Reviewed

Links

MSM4781305903, plan (intention).
Změněno: 10/12/2020 08:51, Mgr. Pavlína Jalůvková

Abstract

V originále

The strong gravitational field of neutron stars in the brany universe could be described by spherically symmetric solutions with a metric in the exterior to the brany stars being of the Reissner Nordström type containing a brany tidal charge representingthe tidal effect of the bulk spacetime onto the star structure. We investigate the role of the tidal charge in orbital models of high-frequency quasiperiodic oscillations (QPOs) observed in neutron star binary systems. We focus on the relativistic precession model. We give the radial profiles of frequencies of the Keplerian (vertical) and radial epicyclic oscillations.