No black hole information puzzle in a relational universe

Details No black hole information puzzle in a relational universe No black hole information puzzle in a relational universe

2004-05-21

arxiv.org/abs/hep-th/0405183v1

Int.J.Mod.Phys. D13 (2004) 2315-2320

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, no figures, revtex

Scientific paper

10.1142/S0218271804006383

The introduction of a relational time in quantum gravity naturally implies that pure quantum states evolve into mixed quantum states. We show, using a recently proposed concrete implementation, that the rate at which pure states naturally evolve into mixed ones is faster than that due to collapsing into a black hole that later evaporates. This is rather remarkable since the fundamental mechanism for decoherence is usually very weak. Therefore the ``black hole information puzzle'' is rendered de-facto unobservable.

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