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Non-relativistic entanglement entropy from Horava gravity (1707.08231v1)
Published 25 Jul 2017 in hep-th and cond-mat.str-el
Abstract: We propose an analogue of the Ryu-Takayanagi formula for holographic entanglement entropy applicable to non-relativistic holographic dualities involving Horava gravity. This is a powerful tool for the duality to have, as topological order quantified by entanglement entropy is a robust notion in condensed matter systems. Our derivation makes use of examining on-shell gravitational actions on conical spacetimes.
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