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Quantum Hair and Black Hole Information
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Quantum Hair and Black Hole Information
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It has been shown that the quantum state of the graviton field outside a black hole horizon carries information about the internal state of the hole. We explain how this allows unitary evaporation: the final radiation state is a complex superposition which depends linearly on the initial black hole state. Under time reversal, the radiation state evolves back to the original black hole quantum state. Formulations of the information paradox on a fixed semiclassical geometry describe only a small subset of the evaporation Hilbert space, and do not exclude overall unitarity.
Forward citations
Cited by 2 Pith papers
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On gravitational collapse and integrable singularities
After Minkowski breaking in the interior geometry, the quantum potential in the Raychaudhuri equation strongly resists further collapse toward the central singularity.
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On gravitational collapse and integrable singularities
After Minkowski breaking in collapsing matter, the quantum potential in the Raychaudhuri equation strongly opposes collapse to the Schwarzschild singularity.
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