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Analyticity of AdS scalar exchange graphs in the crossed channel

Lookup NU author(s): Professor David Toms

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Abstract

We discuss the analytic properties of AdS scalar exchange graphs in the crossed channel. We show that the possible non-analytic terms drop out by virtue of non-trivial properties of generalized hypergeometric functions. The absence of non-analytic terms is a necessary condition for the existence of an operator product expansion for CFT amplitudes obtained from AdS/CFT correspondence. (C) 2000 Elsevier Science B.V.

Publication metadata

Author(s): Flachi A, Toms DJ

Publication type: Article

Publication status: Published

Journal: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

Year: 2000

Volume: 478

Issue: 1-3

Pages: 320-326

Print publication date: 06/04/2000

ISSN (print): 03702693

ISSN (electronic):

DOI: 10.1016/S0370-2693(00)00283-5

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