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hep-th2019★ 48 cited
Loops in AdS: From the Spectral Representation to Position Space
Dean Carmi
We compute a family of scalar loop diagrams in . We use the spectral representation to derive various bulk vertex/propagator identities, and these identities enable to reduce…
hep-th2019
A Conformal Dispersion Relation: Correlations from Absorption
Dean Carmi, Simon Caron-Huot
We introduce the analog of Kramers-Kronig dispersion relations for correlators of four scalar operators in an arbitrary conformal field theory. The correlator is expressed as an in…