Entanglement entropy in Galilean conformal field theories and flat holography
arXiv:1410.4089 · doi:10.1103/PhysRevLett.114.111602
Abstract
We present the analytical calculation of entanglement entropy for a class of two dimensional field theories governed by the symmetries of the Galilean conformal algebra, thus providing a rare example of such an exact computation. These field theories are the putative holographic duals to theories of gravity in three-dimensional asymptotically flat spacetimes. We provide a check of our field theory answers by an analysis of geodesics. We also exploit the Chern-Simons formulation of three-dimensional gravity and adapt recent proposals of calculating entanglement entropy by Wilson lines in this context to find an independent confirmation of our results from holography.
6pp
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- Holography of 3D Asymptotically Flat Black Holes
- Entanglement of self interacting scalar fields in an expanding spacetime
- Higher-order Galilean contractions