期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 5, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP05(2012)129
关键词
Scattering Amplitudes; AdS-CFT Correspondence; Conformal and W Symmetry; Supergravity Models
资金
- US Department of Energy [DE-FG02-91ER40688, DE-FG02-11ER41742]
- US National Science Foundation [PHY-0643150]
- Sloan Research Fellowship
- STFC Standard String Theory, Gauge Theory and Duality [ST/J000469/1]
- Science and Technology Facilities Council [ST/J000469/1] Funding Source: researchfish
- STFC [ST/J000469/1] Funding Source: UKRI
The computation of CFT correlation functions via Witten diagrams in AdS space can be simplified via the Mellin transform. Recently a set of Feynman rules for tree-level Mellin space amplitudes has been proposed for scalar theories. In tins note we derive these rules by explicitly evaluating all of the relevant Witten diagram integrals for the scalar phi(n) theory. We also check that the rules reduce to the usual Feynman rules in the flat space limit.
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