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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6 papers · 2 filters
Accelerated sources in de Sitter spacetime and the insufficiency of retarded fields
Jiri Bicak, Pavel Krtous
The scalar and electromagnetic fields produced by the geodesic and uniformly accelerated discrete charges in de Sitter spacetime are constructed by employing the conformal relation…
On linearized gravity in the Randall-Sundrum scenario
Nathalie Deruelle, Tomas Dolezel
In the literature about the Randall-Sundrum scenario one finds on one hand that there exist (small) corrections to Newton's law of gravity on the brane, and on another that the exa…
Symmetries and geodesics in (anti-)de Sitter spacetimes with nonexpanding impulsive waves
J. Podolsky, M. Ortaggio
We consider a class of exact solutions which represent nonexpanding impulsive waves in backgrounds with nonzero cosmological constant. Using a convenient 5-dimensional formalism it…
Black Holes under External Influence
Jiri Bicak
The work on black holes immersed in external fields is reviewed in both test-field approximation and within exact solutions. In particular we pay attention to the effect of the exp…
Curvature invariants in algebraically special spacetimes
V. Pravda, J. Bicak
It is well known that all curvature invariants of the order zero vanish for type-III and type-N vacuum spacetimes. We briefly summarize properties of higher order curvature invaria…
Axisymmetric electrovacuum spacetimes with an additional Killing vector and radiation
A. Pravdova, J. Bicak
Main results concerning allowable additional symmetries of axially symmetric electrovacuum spacetimes are summarized. These are translational Killing vectors and the boost Killing…