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Ryu-Takayanagi Area as an Entanglement Edge Term
Published 25 Apr 2017 in hep-th | (1704.07763v3)
Abstract: By comparing entanglement in emergent gauge theories to the bulk in AdS/CFT, I suggest that the Ryu-Takayanagi area term is an entanglement edge term related to a natural measure on the gauge group. The main technical result in this paper is an argument why the "extended Hilbert space" definition of entanglement entropy in a lattice gauge theory is applicable to an emergent gauge theory.
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