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Holographic description of AdS cosmologies

Thomas Hertog1 and Gary T. Horowitz1

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To gain insight in the quantum nature of the big bang, we study the dual field theory description of asymptotically anti-de Sitter solutions of supergravity that have cosmological singularities. The dual theories do not appear to have a stable ground state. One regularization of the theory causes the cosmological singularities in the bulk to turn into giant black holes with scalar hair. We interpret these hairy black holes in the dual field theory and use them to compute a finite temperature effective potential. In our study of the field theory evolution, we find no evidence for a ``bounce" from a big crunch to a big bang. Instead, it appears that the big bang is a rare fluctuation from a generic equilibrium quantum gravity state.

Keywords

AdS-CFT and dS-CFT Correspondence

Cosmology of Theories beyond the SM

Black Holes in String Theory

 

E-print Number: hep-th/0503071

Cited: by |

Refers: to

PACS

04.60.-m Quantum gravity

98.80.Cq Particle-theory and field-theory models of the early Universe (including cosmic pancakes, cosmic strings, chaotic phenomena, inflationary universe, etc.)

04.65.+e Supergravity

04.70.-s Physics of black holes

97.60.Lf Black holes

Subjects

Gravitation and cosmology

Astrophysics and astroparticles

Dates

Issue 04 (April 2005)

Received 22 March 2005, accepted for publication 8 April 2005

Published 27 April 2005



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