Qubit Models of Black Hole Evaporation

Details Qubit Models of Black Hole Evaporation Qubit Models of Black Hole Evaporation

2011-09-13

arxiv.org/abs/1109.2911v1

Physics

High Energy Physics

High Energy Physics - Theory

17 pages, 2 figures

Scientific paper

Recently, several simple quantum mechanical toy models of black hole evaporation have appeared in the literature attempting to illuminate the black hole information paradox. We present a general class of models that is large enough to describe both unitary and nonunitary evaporation, and study a few specific examples. Conclusions are then drawn about the requirements for unitary evaporation of black holes in this class of models. We also present a one-parameter family of models that continuously deforms nonunitary Hawking evaporation into a unitary process. The required deformation is large.

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