Quantum states of the spacetime, and formation of black holes in AdS

Abstract

We argue that a non-perturbative description of quantum gravity should involve two (non-interacting) copies of a dual field theory on the boundary, and describe the states of the spacetimes accordingly. So, for instance, a complete description of the asymptotically Anti-de-Sitter spacetimes is given by two copies of the conformal field theory associated to the global AdS spacetime. We also argue that, in this context, gravitational collapse and formation of a black hole may be described by unitary evolution of the dual non-perturbative degrees of freedom.

arXiv comment10 pages, work awarded with Honorable Mention, 2012 Awards for Essays on Gravitation, Gravity Research Foundation. Some typos corrected. Published in Int. J. Mod. Phys. D (2012)

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• Holographic Derivation of Entanglement Entropy from AdS/CFT
• Building up spacetime with quantum entanglement
• The information paradox: A pedagogical introduction
• The AdS/CFT Correspondence Conjecture and Topological Censorship
• Quantitative approaches to information recovery from black holes

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• Time dependent Entanglement Entropy in dissipative conformal theories: TFD approach