Local bulk S-matrix elements and CFT singularities

Details Local bulk S-matrix elements and CFT singularities Local bulk S-matrix elements and CFT singularities

2009-03-25

arxiv.org/abs/0903.4437v1

Phys.Rev.D80:085005,2009

Physics

High Energy Physics

High Energy Physics - Theory

24 pages, 3 figs

Scientific paper

10.1103/PhysRevD.80.085005

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 limit.

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