General-relativistic versus Newtonian: Geometric dragging and dynamic antidragging in stationary self-gravitating disks in the first post-Newtonian approximation
We evaluate general-relativistic effects in the motion of stationary self-gravitating accretion
disks around a Schwarzschild black hole, assuming the first post-Newtonian (1PN) …
disks around a Schwarzschild black hole, assuming the first post-Newtonian (1PN) …
Rotating systems, universal features in dragging and antidragging effects, and bounds of angular momentum
We consider stationary, axially symmetric toroids rotating around spinless black holes,
assuming the general-relativistic Keplerian rotation law, in the first post-Newtonian …
assuming the general-relativistic Keplerian rotation law, in the first post-Newtonian …
Myers-Perry black hole in an external gravitational field
S Abdolrahimi, J Kunz, P Nedkova - Physical Review D, 2015 - APS
We obtain a new exact solution of the 5D Einstein equations in vacuum describing a
distorted Myers-Perry black hole with a single angular momentum. Locally, the solution is …
distorted Myers-Perry black hole with a single angular momentum. Locally, the solution is …
A variational principle for stationary, axisymmetric solutions of Einstein's equations
S Dain - Classical and Quantum Gravity, 2006 - iopscience.iop.org
Stationary, axisymmetric, vacuum, solutions of Einstein's equations are obtained as critical
points of the total mass among all axisymmetric and (t, ϕ) symmetric initial data with fixed …
points of the total mass among all axisymmetric and (t, ϕ) symmetric initial data with fixed …
Negative Komar mass of single objects in regular, asymptotically flat spacetimes
M Ansorg, D Petroff - Classical and Quantum Gravity, 2006 - iopscience.iop.org
We study two types of axially symmetric, stationary and asymptotically flat spacetimes using
highly accurate numerical methods. One type contains a black hole surrounded by a perfect …
highly accurate numerical methods. One type contains a black hole surrounded by a perfect …
An improved method for constructing models of self-gravitating tori around black holes
N Stergioulas - International Journal of Modern Physics D, 2011 - World Scientific
General-relativistic models of self-gravitating tori around black holes are constructed with a
self-consistent-field method in compactified coordinates. The numerical code is highly …
self-consistent-field method in compactified coordinates. The numerical code is highly …
A ring model of the main asteroid belt for planetary ephemerides
Abstract Perturbations in the Main Belt Asteroids (MBAs) are the major obstacle for
achieving increased prediction accuracy in planetary ephemerides, especially for Mars, as …
achieving increased prediction accuracy in planetary ephemerides, especially for Mars, as …
Quasiperiodic oscillations from the accretion disk around distorted black holes
E Deligianni, J Kunz, P Nedkova - Physical Review D, 2020 - APS
We study the quasiperiodic oscillations from the accretion disk around the distorted
Schwarzschild black hole in the framework of the resonant models. We confine ourselves to …
Schwarzschild black hole in the framework of the resonant models. We confine ourselves to …
Perturbation of a Schwarzschild black hole due to a rotating thin disk
P Čížek, O Semerák - The Astrophysical Journal Supplement …, 2017 - iopscience.iop.org
Will, in 1974, treated the perturbation of a Schwarzschild black hole due to a slowly rotating,
light, concentric thin ring by solving the perturbation equations in terms of a multipole …
light, concentric thin ring by solving the perturbation equations in terms of a multipole …
General relativistic self-gravitating equilibrium disks around rotating neutron stars
Y Kim, J Kim, HI Kim, HM Lee - arXiv preprint arXiv:2406.00945, 2024 - arxiv.org
In modeling a relativistic disk around a compact object, the self-gravity of the disk is often
neglected while it needs to be incorporated for more accurate descriptions in several …
neglected while it needs to be incorporated for more accurate descriptions in several …