Entanglement tsunami in (1+1)-dimensions

被引：43
|
作者：
Leichenauer, Stefan [1 ]
Moosa, Mudassir
机构：
[1] Univ Calif Berkeley, Ctr Theoret Phys, Berkeley, CA 94720 USA
来源：
PHYSICAL REVIEW D | 2015年 / 92卷 / 12期
基金：
美国国家科学基金会;
关键词：
ENTROPY;
D O I：
10.1103/PhysRevD.92.126004
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study the time dependence of the entanglement entropy of disjoint intervals following a global quantum quench in (1 + 1)-dimensional CFTs at large c 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.
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页数：10
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