Dressed Domain Walls and Holography

Details Dressed Domain Walls and Holography Dressed Domain Walls and Holography

2007-12-17

arxiv.org/abs/0712.2786v3

JHEP 0806:059,2008

Physics

High Energy Physics

High Energy Physics - Theory

33 pages, 7 figures; references added, minor corrections [v2]; version to appear in JHEP [v3]

Scientific paper

10.1088/1126-6708/2008/06/059

The cutoff version of the AdS/CFT correspondence states that the Randall Sundrum scenario is dual to a Conformal Field Theory (CFT) coupled to gravity in four dimensions. The gravitational field produced by relativistic domain walls can be exactly solved in both sides of the correspondence, and thus provides one further check of it. We show in the two sides that for the most symmetric case, the wall motion does not lead to particle production of the CFT fields. Still, there are nontrivial effects. Due to the trace anomaly, the CFT effectively renormalizes the domain wall tension. On the five dimensional side, the wall is a codimension 2 brane localized on the Randall-Sundrum brane, which pulls the wall in a uniform acceleration. This is perceived from the brane as a domain wall with a tension slightly larger than its bare value. In both cases, the deviation from General Relativity appears at nonlinear level in the source, and the leading corrections match to the numerical factors.

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