Analyticity of AdS scalar exchange graphs in the crossed channel

A. Flachi, D. J. Toms

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)320-326
Number of pages7
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume478
Issue number1-3
DOIs
Publication statusPublished - 2000 Apr 6

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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