Entanglement Tsunami in (1+1)-Dimensions
arXiv:1505.04225 · doi:10.1103/PhysRevD.92.126004
Abstract
We study the time dependence of the entanglement entropy of disjoint intervals following a global quantum quench in (1+1)-dimensional CFTs at large- with a sparse spectrum. The result agrees with a holographic calculation but differs from the free field theory answer. In particular, a simple model of free quasiparticle propagation is not adequate for CFTs with a holographic dual. We elaborate on the entanglement tsunami proposal of Liu and Suh and show how it can be used to reproduce the holographic answer.
20 pages and 6 figures. v3: added references
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