Entanglement entropy from non-equilibrium Monte Carlo simulations

被引：11
|
作者：
Bulgarelli, Andrea [1 ]
Panero, Marco
机构：
[1] Univ Turin, Phys Dept, Via Pietro Giuria 1, I-10125 Turin, Italy
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2023年 / 2023卷 / 06期
关键词：
Algorithms and Theoretical Developments; Lattice Quantum Field Theory; Other Lattice Field Theories; 3-DIMENSIONAL ISING-MODEL; FREE-ENERGY DIFFERENCES; FERMION REPRESENTATION; DYNAMICAL ENSEMBLES; CRYSTAL STATISTICS; PARTITION-FUNCTION; GAUGE-THEORY; QUANTUM; LATTICE; THEOREM;
D O I：
10.1007/JHEP06(2023)030
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We study the entanglement entropy in lattice field theory using a simulation algorithm based on Jarzynski's theorem. We focus on the entropic c-function for the Ising model in two and in three dimensions: after validating our algorithm against known analytical results from conformal field theory in two dimensions, we present novel results for the three-dimensional case. We show that our algorithm, which is highly parallelized on graphics processing units, allows one to precisely determine the subleading corrections to the area law, which have been investigated in many recent works. Possible generalizations of this study to other strongly coupled theories are discussed.
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页数：33
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