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Charged Black Holes In Quadratic Theories
A. Economou, C. O. Lousto
We point out that in general the Reissner-Nordström (RN) charged black holes of general relativity are not solutions of the four dimensional quadratic gravitational theories. They…
Recovery of information from black hole radiation by considering stimulated emission
R. Mueller, Carlos O. Lousto
We deal with the black hole information loss paradox by showing that the stimulated emission component of the black hole radiation contains information about the initial state of t…
The Fourth Law of Black Hole Thermodynamics
C. O. Lousto
We show that black holes fulfill the scaling laws arising in critical transitions. In particular, we find that in the transition from negative to positive values the heat capacitie…
The Quantization of the Spacetime Geometry Generated by Planckian Energy Particles
C. O. Lousto, N. Sanchez
We study the quantization of the curved spacetime created by ultrarelativistic particles at Planckian energies. We consider a minisuperspace model based on the classical shock wave…
Topological Defects in Gravitational Theories with Non Linear Lagrangians
J. Audretsch, A. Economou, C. O. Lousto
The gravitational field of monopoles, cosmic strings and domain walls is studied in the quadratic gravitational theory with , and is compared with the result in…
"Are Black Holes in Brans-Dicke Theory precisely the same as in General Relativity?"
M. Campanelli, C. O. Lousto
We study a three-parameters family of solutions of the Brans-Dicke field equations. They are static and spherically symmetric. We find the range of parameters for which this soluti…