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9 papers · 1 filter
Quantum Electrodynamics in the Gravitational Field of a Cosmic String
Vladimir Skarzhinsky, Diego Harari, Ulf Jasper
We evaluate the cross section for electron-positron pair production by a single high energy photon in the space-time of a static, straight cosmic string. Energy and momentum conser…
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…
Ramsey fringes in atomic interferometry: measurability of the influence of space-time curvature
Jürgen Audretsch, Karl-Peter Marzlin
The influence od space-time curvature on quantum matter which can be theoretically described by covariant wave equations has not been experimentally established yet. In this paper…
Quantum Gravity and Non-unitarity in Black Hole Evaporation
Claus Kiefer, Rainer Mueller, Tejinder P. Singh
We discuss the relevance of quantum gravitational corrections to the functional Schrödinger equation for the information loss paradox in black hole evaporation. These corrections a…
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…