Physics
Scientific paper
Sep 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008mgm..conf.2137b&link_type=abstract
"THE ELEVENTH MARCEL GROSSMANN MEETING On Recent Developments in Theoretical and Experimental General Relativity, Gravitation an
Physics
Scientific paper
The static perturbations by a point mass on a Schwarzschild black hole background are studied in the framework of first order perturbation theory. It is shown that a solution free of singularities cannot exist using the standard approach by Regge and Wheeler. Adopting a different gauge allows to find the explicit form of the perturbation corresponding to a stable configuration, characterized by the presence of a "strut" between the particle and the black hole. The resulting perturbed metric with a conical singularity is shown to be the linearized form of the exact solution for two collinear uncharged black holes in static configuration belonging to the Weyl class.
Bini Donato
Geralico Andrea
Ruffini Remo
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