On time-dependent AdS/CFT

Details On time-dependent AdS/CFT On time-dependent AdS/CFT

2002-12-07

arxiv.org/abs/hep-th/0212089v2

JHEP 0301:027,2003

Physics

High Energy Physics

High Energy Physics - Theory

19 pages, v2: added reference, JHEP version

Scientific paper

10.1088/1126-6708/2003/01/027

We clarify aspects of the holographic AdS/CFT correspondence that are typical of Lorentzian signature, to lay the foundation for a treatment of time-dependent gravity and conformal field theory phenomena. We provide a derivation of bulk-to-boundary propagators associated to advanced, retarded and Feynman bulk propagators, and provide a better understanding of the boundary conditions satisfied by the bulk fields at the horizon. We interpret the subleading behavior of the wavefunctions in terms of specific vacuum expectation values, and compute two-point functions in our framework. We connect our bulk methods to the closed time path formalism in the boundary field theory.

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