A comment on multiple vacua, particle production and the time dependent AdS/CFT correspondence

Details A comment on multiple vacua, particle production and the time dependent AdS/CFT correspondence A comment on multiple vacua, particle production and the time dependent AdS/CFT correspondence

2003-03-18

arxiv.org/abs/hep-th/0303157v2

Phys.Rev.D69:124003,2004

Physics

High Energy Physics

High Energy Physics - Theory

9 pages

Scientific paper

10.1103/PhysRevD.69.124003

We give an explicit formulation of the time dependent AdS/CFT correspondence when there are multiple vacua present in Lorentzian signature. By computing sample two point functions we show how different amplitudes are related by cosmological particle production. We illustrate our methods in two example spacetimes: (a) a ``bubble of nothing'' in AdS space, and (b) an asymptotically locally AdS spacetime with a bubble of nothing on the boundary. In both cases the alpha vacua of de Sitter space make an interesting appearance.

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