arXiv · hep-th/9205114
Information Loss and Anomalous Scattering
Abstract
The approach of 't Hooft to the puzzles of black hole evaporation can be applied to a simpler system with analogous features. The system is $1+1$ dimensional electrodynamics in a linear dilaton background. Analogues of black holes, Hawking radiation and evaporation exist in this system. In perturbation theory there appears to be an information paradox but this gets resolved in the full quantum theory and there exists an exact $S$-matrix, which is fully unitary and information conserving. 't Hooft's method gives the leading terms in a systematic approximation to the exact result.
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Amanda Peet, Leonard Susskind, Larus Thorlacius. 1992-05-30. Information Loss and Anomalous Scattering. https://doi.org/10.1103/physrevd.46.3435
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