Entanglement in four-dimensional SU(3) gauge theory
Entanglement in four-dimensional SU(3) gauge theory
复制标题
四维 SU(3) 规范理论中的纠缠
DOI：
10.1093/ptep/ptw050
复制
发表时间：
2016
影响因子：
3.5
通讯作者：
Zakharov V. I.
中科院分区：
文献类型：
--
作者：
Itou Etsuko;Nagata Keitaro;Nakagawa Yoshiyuki;Nakamura Atsushi;Zakharov V. I.
研究了四维欧几里得SU(3)规范理论的量子纠缠熵。本文首次用复制方法对晶格蒙特卡罗模拟中SU(3)规范理论的熵函数（）进行了非摄动计算。其中，子空间的长度，熵函数几乎是恒定的，表示共形不变动力学。该常数的值与由自由胶子摄动得到的值一致，相差20%。当接近尺度时，熵函数平滑减小，在误差条内与零保持一致。
We investigate the quantum entanglement entropy for the four-dimensional Euclidean SU(3) gauge theory. We present the first non-perturbative calculation of the entropic-function () of SU(3) gauge theory in lattice Monte Carlo simulation using the replica method. Forfm, whereis the length of the subspace, the entropic-function is almost constant, indicating conformally invariant dynamics. The value of the constant agrees with that perturbatively obtained from free gluons, with 20% discrepancy. Whenis close to thescale, the entropic-function decreases smoothly, and it is consistent with zero within error bars atfm.