A minimum purification time for evaporating black holes is derived as scaling with M0^4/hbar^{3/2}, becoming exponential in initial area under a metastability assumption for Planck-scale holes, implying white-hole remnants.
Preskill, Do black holes destroy information? (1992), arXiv:hep-th/9209058 [hep-th]
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abstract
I review the information loss paradox that was first formulated by Hawking, and discuss possible ways of resolving it. All proposed solutions have serious drawbacks. I conclude that the information loss paradox may well presage a revolution in fundamental physics. (To appear in the proceedings of the International Symposium on Black Holes, Membranes, Wormholes, and Superstrings.)
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PBH masses near 10^3 kg allow Hawking evaporation to reheat the universe while Planckian remnants comprise all present-day DM without fine-tuning initial abundance, yielding testable GW signals.
Modeling black hole absorption as discrete recursion yields area-law entropy with logarithmic corrections whose coefficients depend on spacetime dimension and charge for Schwarzschild and Reissner-Nordström cases.
citing papers explorer
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Minimum lifetime of a black hole
A minimum purification time for evaporating black holes is derived as scaling with M0^4/hbar^{3/2}, becoming exponential in initial area under a metastability assumption for Planck-scale holes, implying white-hole remnants.
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Signatures of loop quantum gravity in primordial black hole cosmologies
PBH masses near 10^3 kg allow Hawking evaporation to reheat the universe while Planckian remnants comprise all present-day DM without fine-tuning initial abundance, yielding testable GW signals.
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Classical Corrections to Black Hole Entropy II
Modeling black hole absorption as discrete recursion yields area-law entropy with logarithmic corrections whose coefficients depend on spacetime dimension and charge for Schwarzschild and Reissner-Nordström cases.