The subtle unphysical hypothesis of the firewall theorem

Abstract : The black-hole firewall theorem derives a suspicious consequence (large energy-momentum density on the horizon of a black hole) from a set of seemingly reasonable hypotheses. I point out the hypothesis which is likely to be unrealistic---a hypothesis not always sufficiently made explicit--- and discuss the subtle confusion at its origin: mixing-up of two different notions of entropy and misusing of the entropy bound.
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Submitted on : Wednesday, February 27, 2019 - 5:21:21 PM
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Carlo Rovelli. The subtle unphysical hypothesis of the firewall theorem. 2019. ⟨hal-02051426⟩



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