401 citations · 1.6k across the 64 of their papers we have counts for
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The second post-Newtonian order generalized Kepler equation
László Á. Gergely, Zoltán Keresztes, Balázs Mikóczi
The radial component of the motion of compact binary systems composed of neutron stars and/or black holes on eccentric orbit is integrated. We consider all type of perturbations th…
Irradiated closed Friedmann brane-worlds
Zoltán Keresztes, Ibolya Képíró
We consider the evolution of a closed Friedmann brane irradiated by a bulk black hole. Both absorption on the brane and transmission across the brane are allowed, the latter repres…
Kepler Equation for the Compact Binaries under the Spin-spin Interaction
Zoltán Keresztes, Balázs Mikóczi
In this work we consider compact binaries on eccentric orbit under the spin-spin interaction. Using the post-Newtonian formalism, the binaries undergo a perturbed Keplerian motion.…
Generalized eccentric vs. true anomaly parametrizations in the perturbed Keplerian motion
Balázs Mikóczi, Zoltán Keresztes
The angular and the radial parts of the dynamics of the perturbed Kepler motion are separable in many important cases. In this paper we study the radial motion and its parametrizat…
On the luminosity-redshift relation in brane-worlds with cosmological constant
Botond Nagy, Zoltán Keresztes
In this paper we calculate the luminosity distance - redshift relation for a special type of flat Friedmann brane with cosmological constant. This special case is singled out by it…
The luminosity-redshift relation in brane-worlds: I. Analytical results
Zoltán Keresztes, László Á. Gergely, Botond Nagy +1
The luminosity distance - redshift relation is analytically given for generalized Randall-Sundrum type II brane-world models containing dark radiation. The derived expressions cont…
Semi-transparent brane-worlds
Zoltán Keresztes, Ibolya Képíró, László Á. Gergely
We study the evolution of a closed Friedmann brane perturbed by the Hawking radiation escaping a bulk black hole. The semi-transparent brane absorbes some of the infalling radiatio…
An Efficient Method for the Evaluation of Secular Effects in the Perturbed Keplerian Motion
László Á. Gergely, Zoltán Keresztes, Balázs Mikóczi
Binary systems subject to generic perturbations evolve on quasiperiodic orbits. We derive the most generic class of perturbations, which allow to evaluate secular effects via gener…
Irradiated asymmetric Friedmann branes
László Á. Gergely, Zoltán Keresztes
We consider a Friedmann brane moving in a bulk impregnated by radiation. The setup is strongly asymmetric, with only one black hole in the bulk. The radiation emitted by this bulk…