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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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11 papers · 2 filters
Conformal infinity in Robinson-Trautman spacetimes with cosmological constant
Otakar Svitek
In past, the future asymptotic behavior (with respect to initial data on null hypersurface) of Robinson-Trautman spacetime was examined and its past horizon characterized. Therefor…
Free motion around black holes with discs or rings: between integrability and chaos - II
O. Semerák, P. Suková
We continue the study of time-like geodesic dynamics in exact static, axially and reflection symmetric space-times describing the fields of a Schwarzschild black hole surrounded by…
Free motion around black holes with discs or rings: between integrability and chaos - I
O. Semerák, P. Suková
Geodesic dynamics is regular in the fields of isolated stationary black holes. However, due to the presence of unstable periodic orbits, it easily becomes chaotic under various per…
Variations on spacetimes with boost-rotation symmetry
Jiří Bičák, David Kofroň
Some new results on the boost-rotation symmetric spacetimes representing pairs of rotating charged objects accelerated in opposite directions are summarized. A particular attention…
Geodesic deviation in Kundt spacetimes of any dimension
Robert Svarc, Jiri Podolsky
Using the invariant form of the equation of geodesic deviation, which describes relative motion of free test particles, we investigate a general family of D-dimensional Kundt space…
Source integrals for multipole moments in static and axially symmetric spacetimes
Norman Gürlebeck
In this article, we derive source integrals for multipole moments in axially symmetric and static spacetimes. The multipole moments can be read off the asymptotics of the metric cl…
Effects of rotating gravitational waves
J. Bicak, J. Katz, T. Ledvinka +1
We study gravitational waves to first and second order in amplitude in vacuum asymptotically flat spacetimes. The Einstein equations are solved to first order and these solutions a…
On Fast Linear Gravitational Dragging
D. Lynden-Bell, J. Bičák, J. Katz
A new formula is given for the fast linear gravitational dragging of the inertial frame within a rapidly accelerated spherical shell of deep potential. The shell is charged and is…
Asymptotic stability of vacuum type II metrics
Włodzimierz Natorf
We generalize the result of Lukacs {\it et al.} on asymptotic stability of the Schwarzschild metric with respect to perturbations in the Robinson-Trautman class of metrics to the c…
Interpreting spacetimes of any dimension using geodesic deviation
Jiri Podolsky, Robert Svarc
We present a general method which can be used for geometrical and physical interpretation of an arbitrary spacetime in four or any higher number of dimensions. It is based on the s…
Higher-dimensional Kundt waves and gyratons
Pavel Krtous, Jiri Podolsky, Andrei Zelnikov +1
We present and analyze exact solutions of the Einstein-Maxwell equations in higher dimensions which form a large subclass of the Kundt family of spacetimes. We assume that the cosm…