期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 9, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP09(2019)030
关键词
AdS-CFT Correspondence; Conformal Field Theory; Scattering Amplitudes
资金
- Science and Technology Facilities Council (STFC) [ST/P000754/1]
- MIUR-PRIN [2017CC72MK003]
- Royal Society University Research Fellowship [UF160350]
- STFC [ST/P000754/1] Funding Source: UKRI
We present a formula for the holographic 4-point correlators in AdS(3) x S-3 involving four single-trace operators of dimension k,k,l,l. As an input we use the supergravity results for the Heavy-Heavy-Light-Light correlators that can be derived by studying the linear fluctuations around known asymptotically AdS(3) x S-3 geometries. When the operators of dimension k and l are in the same multiplet there are contributions due to the exchange of single-trace operators in the t and u-channels, which are not captured by the approach mentioned above. However by rewriting the s-channel results in Mellin space we obtain a compact expression for the s-channel contribution that makes it possible to conjecture a formula for the complete result. We discuss some consistency checks that our proposal meets.
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