301 citations · 677 across the 12 of their papers we have counts for
12 papers
Thin accretion disks around cold Bose-Einstein Condensate stars
Bogdan Dănilă, Tiberiu Harko, Zoltán Kovács
Due to their superfluid properties some compact astrophysical objects, like neutron or quark stars, may contain a significant part of their matter in the form of a Bose-Einstein Co…
Modeling the IDV emissions of the BL Lac Objects with a Langevin type stochastic differential equation
C. S. Leung, J. Y. Wei, T. Harko +1
In this paper, we introduce a simplified model for explaining the observations of the optical intraday variability (IDV) of the BL Lac Objects. We assume that the source of the IDV…
Can accretion disk properties observationally distinguish black holes from naked singularities?
Z. Kovacs, T. Harko
Naked singularities are hypothetical astrophysical objects, characterized by a gravitational singularity without an event horizon. Penrose has proposed a conjecture, according to w…
Electron-positron energy deposition rate from neutrino pair annihilation on the rotation axis of neutron and quark stars
Z. Kovacs, K. S. Cheng, T. Harko
We investigate the deposition of energy due to the annihilations of neutrinos and antineutrinos on the rotation axis of rotating neutron and quark stars, respectively. The source o…
Electron-positron energy deposition rate from neutrino pair annihilation in the equatorial plane of rapidly rotating neutron and quark stars
Z. Kovacs, K. S. Cheng, T. Harko
The neutrino-antineutrino annihilation into electron-positron pairs near the surface of compact general relativistic stars could play an important role in supernova explosions, neu…
Thin accretion disks around neutron and quark stars
Z. Kovács, K. S. Cheng, T. Harko
The possibility of observationally discriminating between various types of neutron stars, described by different equations of state of the nuclear matter, as well as differentiatin…