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Spontaneous parametric down conversion with a depleted pump as an analogue for black hole evaporation/particle production

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arxiv 1507.00429 v1 pith:DMGK6RDH submitted 2015-07-02 quant-ph gr-qchep-th

classification quant-phgr-qchep-th
keywords blackholeconversiondownevaporationparametricparticleproduction
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We present an analytical formulation of the recent one-shot decoupling model of Br\`adler and Adami [arXiv:1505.0284] and compute the resulting "Page Information" curves, for the reduced density matrices for the evaporating black hole internal degrees of freedom, and emitted Hawking radiation pairs entangled across the horizon. We argue that black hole evaporation/particle production has a very close analogy to the laboratory process of spontaneous parametric down conversion, when the pump is allowed to deplete.

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  1. Black Hole Waterfall: a unitary phenomenological model for black hole evaporation with Page curve

    gr-qc 2025-01 conditional novelty 5.0 of 10

    A unitary toy model in which cascading interior Hawking partners act as new pair sources produces a Page curve and complete energy transfer to radiation.

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