Aspects of AdS/BCFT

Details Aspects of AdS/BCFT Aspects of AdS/BCFT

2011-08-25

arxiv.org/abs/1108.5152v2

JHEP 1111:043,2011

Physics

High Energy Physics

High Energy Physics - Theory

41 pages, 10 figures; v2: further comments on earlier papers about a holographic dual with boundaries

Scientific paper

10.1007/JHEP11(2011)043

We expand the results of arXiv:1105.5165, where a holographic description of a conformal field theory defined on a manifold with boundaries (so called BCFT) was proposed, based on AdS/CFT. We construct gravity duals of conformal field theories on strips, balls and also time-dependent boundaries. We show a holographic g-theorem in any dimension. As a special example, we can define a `boundary central charge' in three dimensional conformal field theories and our holographic g-theorem argues that it decreases under RG flows. We also computed holographic one-point functions and confirmed that their scaling property agrees with field theory calculations. Finally, we give an example of string theory embedding of this holography by inserting orientifold 8-planes in AdS(4)xCP(3).

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