2011

Towards a derivation of holographic entanglement entropy

Casini, Horacio, Huerta, Marina, Myers, Robert C.

Understand

We provide a derivation of holographic entanglement entropy for spherical entangling surfaces.

Our construction relies on conformally mapping the boundary CFT to a hyperbolic geometry and observing that the vacuum state is mapped to a thermal state in the latter geometry.
Hence the conformal transformation maps the entanglement entropy to the thermodynamic entropy of this thermal state.
The AdS/CFT dictionary allows us to calculate this thermodynamic entropy as the horizon entropy of a certain topological black hole.

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Similar

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