Christopher P. Herzog and Dam Thanh Son JHEP03(2003)046 doi:10.1088/1126-6708/2003/03/046
Christopher P. Herzog1 and Dam Thanh Son2
Show affiliationsWe demonstrate how to compute real-time Green's functions for a class of finite temperature field theories from their AdS gravity duals. In particular, we reproduce the 2 × 2 Schwinger-Keldysh matrix propagator from a gravity calculation. Our methods should work also for computing higher point lorentzian signature correlators. We elucidate the boundary condition subtleties which hampered previous efforts to build a lorentzian-signature AdS/CFT correspondence. For two-point correlators, our construction is automatically equivalent to the previously formulated prescription for the retarded propagator.
E-print Number: hep-th/0212072
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11.25.Hf Conformal field theory, algebraic structures
Issue 03 (March 2003)
Received 21 January 2003, accepted for publication 25 March 2003
Published 2 April 2003
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