No black hole information puzzle in a relational universe

Abstract

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.

4 pages, no figures, revtex

Cited by in corpus (2)

• Realistic clocks, universal decoherence and the black hole information paradox
• Consistent discretizations and quantum gravity