Holographic entanglement entropy for disconnected regions
Veronika E. Hubeny, Mukund Rangamani
TL;DR
This paper derives a straightforward holographic method to compute entanglement entropy for disconnected regions in 1+1D quantum field theories, extending previous conformal field theory results and discussing higher-dimensional generalizations.
Contribution
It provides a simple derivation of holographic entanglement entropy for disjoint regions, generalizing known 1+1D conformal field theory results and exploring higher-dimensional cases.
Findings
Derived a simple holographic formula for disconnected regions in 1+1D
Extended results to higher-dimensional quantum field theories
Connected holographic entanglement entropy with conformal field theory methods
Abstract
We present a simple derivation of the entanglement entropy for a region made up of a union of disjoint intervals in 1+1 dimensional quantum field theories using holographic techniques. This generalizes the results for 1+1 dimensional conformal field theories derived previously by exploiting the uniformization map. We further comment on the generalization of our result to higher dimensional field theories.
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