Volume law for the entanglement entropy in non-local QFTs

被引：0
|
作者：
Noburo Shiba
Tadashi Takayanagi
机构：
[1] Kyoto University,Yukawa Institute for Theoretical Physics (YITP)
[2] University of Tokyo,Kavli Institute for the Physics and Mathematics of the Universe
来源：
Journal of High Energy Physics | / 2014卷
关键词：
AdS-CFT Correspondence; Holography and condensed matter physics (AdS/CMT); Renormalization Group; Lattice Quantum Field Theory;
D O I：
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学科分类号：
摘要：
In this paper, we present a simple class of non-local field theories whose ground state entanglement entropy follows a volume law as long as the size of subsystem is smaller than a certain scale. We will confirm this volume law both from numerical calculations and from analytical estimation. This behavior fits nicely with holographic results for spacetimes whose curvatures are much smaller than AdS spaces such as those in the flat spacetime.
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