A gravity dual of entanglement entropy


الملخص بالإنكليزية

The Ryu-Takayanagi(RT) conjecture proposes that the entanglement entropy of a CFT in the large $c$ limit is equivalent to an area of an appropriate minimal surface in the dual bulk. However, there are some cases that RT conjecture predicts the entanglement entropy, which contradict to that of the corresponding CFT. In this paper, we present a refined gravity dual of the entanglement entropy of the large $c$ limit CFT as the sum of all the signed areas of cosmic branes satisfying a refined homologous condition.

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