10.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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13 papers · 2 filters
New Metrics Admitting the Principal Killing-Yano Tensor
Valeri P. Frolov, Pavel Krtous, David Kubiznak
It is believed that in any number of dimensions the off-shell Kerr-NUT-(A)dS metric represents a unique geometry admitting the principal (rank 2, non-degenerate, closed conformal K…
Spinning particles in general relativity: Momentum-velocity relation for the Mathisson-Pirani spin condition
L. Filipe O. Costa, Georgios Lukes-Gerakopoulos, Oldřich Semerák
The Mathisson-Papapetrou-Dixon (MPD) equations, providing the "pole-dipole" description of spinning test particles in general relativity, have to be supplemented by a condition spe…
Rotation of inertial frames by angular momentum of matter and waves
William Barker, Tomáš Ledvinka, Donald Lynden-Bell +1
We elucidate the dynamics of a thin spherical material shell with a tangential pressure, using a new approach. This is both simpler than the traditional method of extrinsic curvatu…
Perturbation of a Schwarzschild black hole due to a rotating thin disc
P. Čížek, O. Semerák
Will (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…
Kerr-Newman black hole in the formalism of isolated horizons
Martin Scholtz, Aleš Flandera, Norman Gürlebeck
The near horizon geometry of general black holes in equilibrium can be conveniently characterized in the formalism of weakly isolated horizons in the form of the Bondi-like expansi…
Entropy budget for Hawking evaporation
Ana Alonso-Serrano, Matt Visser
Blackbody radiation, emitted from a furnace and described by a Planck spectrum, contains (on average) an entropy of bits per photon. Since normal physical burning is a…
Weakly charged generalized Kerr-NUT-(A)dS spacetimes
Valeri P. Frolov, Pavel Krtous, David Kubiznak
We find an explicit solution of the source free Maxwell equations in a generalized Kerr-NUT-(A)dS spacetime in all dimensions. This solution is obtained as a linear combination of…
Weyl type N solutions with null electromagnetic fields in the Einstein-Maxwell -form theory
Martin Kuchynka, Alena Pravdova
We consider -dimensional solutions to the electrovacuum Einstein-Maxwell equations with the Weyl tensor of type N and a null Maxwell -form field. We prove that such space…
Black holes, hidden symmetries, and complete integrability
Valeri P. Frolov, Pavel Krtous, David Kubiznak
The study of higher-dimensional black holes is a subject which has recently attracted a vast interest. Perhaps one of the most surprising discoveries is a realization that the prop…
Penrose junction conditions extended: impulsive waves with gyratons
Jiri Podolsky, Robert Svarc, Roland Steinbauer +1
We generalize the classical junction conditions for constructing impulsive gravitational waves by the Penrose "cut and paste" method. Specifically, we study nonexpanding impulses w…
On the implications of the Bekenstein bound for black hole evaporation
Giovanni Acquaviva, Alfredo Iorio, Martin Scholtz
We provide general arguments regarding the connection between low-energy theories (gravity and quantum field theory) and a hypothetical fundamental theory of quantum gravity, under…
Yet another family of diagonal metrics for de Sitter and anti-de Sitter spacetimes
Jiri Podolsky, Ondrej Hruska
In this work we present and analyze a new class of coordinate representations of de Sitter and anti-de Sitter spacetimes for which the metrics are diagonal and (typically) static a…
NUT-like and near-horizon limits of Kerr-NUT-(A)dS spacetimes
Ivan Kolar, Pavel Krtous
We study a class of limits of the higher-dimensional Kerr-NUT-(A)dS spacetimes where particular roots of metric functions degenerate. Namely, we obtain the Taub-NUT-(A)dS and the e…