Local bulk-matrix elements and conformal field theory singularities
- 2 October 2009
- journal article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 80 (8)
- https://doi.org/10.1103/physrevd.80.085005
Abstract
We give a procedure for deriving certain bulk S-matrix elements from corresponding boundary correlators. These are computed in the plane wave limit, via an explicit construction of certain boundary sources that give bulk wavepackets. A critical role is played by a specific singular behavior of the lorentzian boundary correlators. It is shown in examples how correlators derived from the bulk supergravity exhibit the appropriate singular structure, and reproduce the corresponding S-matrix elements. This construction thus provides a nontrivial test for whether a given boundary conformal field theory can reproduce bulk physics, and where it does, supplies a prescription to extract bulk S-matrix elements in the plane wave limitKeywords
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