DeSitter entropy, quantum entanglement and ADS/CFT

Details DeSitter entropy, quantum entanglement and ADS/CFT DeSitter entropy, quantum entanglement and ADS/CFT

2000-02-17

arxiv.org/abs/hep-th/0002145v1

JHEP 0105:001,2001

Physics

High Energy Physics

High Energy Physics - Theory

harvmac, 2 figures

Scientific paper

10.1088/1126-6708/2001/05/001

A deSitter brane-world bounding regions of anti-deSitter space has a macroscopic entropy given by one-quarter the area of the observer horizon. A proposed variant of the AdS/CFT correspondence gives a dual description of this cosmology as conformal field theory coupled to gravity in deSitter space. In the case of two-dimensional deSitter space this provides a microscopic derivation of the entropy, including the one-quarter, as quantum entanglement of the conformal field theory across the horizon.

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