A note on the analyticity of AdS scalar exchange graphs in the crossed channel
- 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.
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| Author: | Werner Rühl, Anastasios C. Petkou, Laurent Hoffmann |
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| URN: | urn:nbn:de:hbz:386-kluedo-10230 |
| Document Type: | Preprint |
| Language of publication: | English |
| Year of Completion: | 2000 |
| Year of first Publication: | 2000 |
| Publishing Institution: | Technische Universität Kaiserslautern |
| Date of the Publication (Server): | 2000/04/06 |
| Faculties / Organisational entities: | Kaiserslautern - Fachbereich Physik |
| DDC-Cassification: | 5 Naturwissenschaften und Mathematik / 530 Physik |
| Licence (German): |  Standard gemäß KLUEDO-Leitlinien vor dem 27.05.2011 |