79 citations · 209 across the 7 of their papers we have counts for
9 papers
Geodesic Model of HF QPOs Tested for Black Holes in Spacetimes Reflecting the Effect of Surrounding Dark Matter
Zdeněk Stuchlík, Jaroslav Vrba
Using the simple but robust model of a shell of dark matter (DM) around a Schwarzschild black hole (BH), represented by the mass ratio of the shell and BH , the shell extensi…
Epicyclic orbits in the field of Einstein-Dirac-Maxwell traversable wormholes applied to the quasiperiodic oscillations observed in microquasars and active galactic nuclei
Zdeněk Stuchlík, Jaroslav Vrba
We study the epicyclic oscillatory motion around circular orbits of the traversable asymptotically flat and reflection-symmetric wormholes obtained in the Einstein-Dirac-Maxwell th…
Supermassive black holes surrounded by dark matter modeled as anisotropic fluid: epicyclic oscillations and their fitting to observed QPOs
Zdeněk Stuchlík, Jaroslav Vrba
Recently introduced exact solution of the Einstein gravity coupled minimally to an anisotropic fluid representing dark matter can well represent supermassive black holes in galacti…
Epicyclic Oscillations around Simpson-Visser Regular Black Holes and Wormholes
Zdeněk Stuchlík, Jaroslav Vrba
We study epicyclic oscillatory motion along circular geodesics of the Simpson--Visser meta-geometry describing in a unique way regular black-bounce black holes and reflection-symme…
Trapping of null geodesics in slowly rotating extremely compact Tolman VII spacetimes
Zdeněk Stuchlík, Jaroslav Vrba
Region of trapped null geodesics hidden inside of extremely compact objects is of astrophysical importance because of trapping of gravitational waves, or neutrinos. The trapping ef…
Neutrino trapping in extremely compact Tolman VII spacetimes
Zdeněk Stuchlík, Jan Hladík, Jaroslav Vrba +1
Extremely compact objects trap gravitational waves or neutrinos, assumed to move along null geodesics in the trapping regions. The trapping of neutrinos was extensively studied for…
Trapping of null geodesics in slowly rotating spacetimes
Jaroslav Vrba, Martin Urbanec, Zdeněk Stuchlík +1
Extremely compact objects containing a region of trapped null geodesics could be of astrophysical relevance due to trapping of neutrinos with consequent impact on cooling processes…
Charged particle and epicyclic motions around Einstein-Gauss-Bonnet black hole immersed in an external magnetic field
Sanjar Shaymatov, Jaroslav Vrba, Daniele Malafarina +2
We investigate particle motion in the vicinity of a Einstein-Gauss-Bonnet (EGB) black hole immersed in external asymptotically uniform magnetic field. It is well known that ma…
Particle motion around generic black holes coupled to non-linear electrodynamics
Jaroslav Vrba, Ahmadjon Abdujabbarov, Arman Tursunov +2
We study spherically symmetric magnetically charged generic black hole solutions of general relativity coupled to non-linear electrodynamics (NED). For characteristic values of the…