On magnetic-field induced non-geodesic corrections to relativistic orbital and epicyclic frequencies

@article{42105,
   author = {Bakala, Pavel and Stuchlík, Zdeněk and Šrámková, Eva and Török, Gabriel},
   article_location = {GB - Spojené království Velké Británie a},
   article_number = {4},
   doi = {http://dx.doi.org/10.1088/0264-9381/27/4/045001},
   keywords = {Neutron stars, magnetic field, orbital motion},
   language = {eng},
   issn = {0264-9381},
   journal = {Classical and Quantum Gravity},
   title = {On magnetic-field induced non-geodesic corrections to relativistic orbital and epicyclic frequencies},
   volume = {27},
   year = {2010}
}

TY  - JOUR
ID  - 42105
AU  - Bakala, Pavel - Stuchlík, Zdeněk - Šrámková, Eva - Török, Gabriel
PY  - 2010
TI  - On magnetic-field induced non-geodesic corrections to relativistic orbital and epicyclic frequencies
JF  - Classical and Quantum Gravity
VL  - 27
IS  - 4
SN  - 02649381
KW  - Neutron stars, magnetic field, orbital motion
N2  - We discuss non-geodesic corrections to orbital and epicyclic frequencies of charged test particles orbiting a non-rotating neutron star with a dipole magnetic field. Using a fully-relativistic approach we consider influence of both the magnetic attraction and repulsion on the orbital and epicyclic motion. The magnetic repulsion introduces a rather complex and unusual behaviour of the circular orbital motion that is well defined down to the radius where the vertical epicyclic frequency looses its meaning. We demonstrate that for intensity of the magnetic interaction appropriately restricted, the stable circular orbits extend down to the magnetic innermost stable circular orbit (MISCO) that is located well under the geodetic innermost stable circular orbit (GISCO) and even can reach region under the photon circular orbit.
ER  - 

BAKALA, Pavel, Zdeněk STUCHLÍK, Eva ŠRÁMKOVÁ and Gabriel TÖRÖK. On magnetic-field induced non-geodesic corrections to relativistic orbital and epicyclic frequencies. \textit{Classical and Quantum Gravity}. GB - Spojené království Velké Británie a, 2010, vol.~27, No~4, 19 pp. ISSN~0264-9381. Available from: https://dx.doi.org/10.1088/0264-9381/27/4/045001.