Real-time response in AdS/CFT with application to spinors

Abstract

We discuss a simple derivation of the real-time AdS/CFT prescription as an analytic continuation of the corresponding problem in Euclidean signature. We then extend the formalism to spinor operators and apply it to the examples of real-time fermionic correlators in CFTs dual to pure AdS and the BTZ black hole.

28 pages, to appear in the Proceedings of the 4-th RTN "Forces-Universe" Workshop; v2: references added, minor clarifications in text, v3: improved discussion regarding overall signs

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