Out-of-time-ordered correlators in a (T2)n / Zn CFT

被引:19
|
作者
Caputa, Pawel [1 ]
Kusuki, Yuya [1 ]
Takayanagi, Tadashi [1 ,2 ]
Watanabe, Kento [1 ]
机构
[1] Kyoto Univ, Yukawa Inst Theoret Phys, Ctr Gravitat Phys, Kyoto 6068502, Japan
[2] Univ Tokyo, Kavli Inst Phys & Math Universe, Kashiwa, Chiba 2778582, Japan
关键词
D O I
10.1103/PhysRevD.96.046020
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
In this paper we continue analyzing the nonequilibrium dynamics in the (T-2)(n)/Z(n) orbifold conformal field theory. We compute the out-of-time-ordered four-point correlators with twist operators. For rational eta(= p / p') which is the square of the compactification radius, we find that the correlators approach nontrivial constants at late time. For n = 2 they are expressed in terms of the modular matrices and for higher n orbifolds are functions of pp' and n. For irrational., we find a new polynomial decay of the correlators that is a signature of an intermediate regime between rational and chaotic models.
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页数:11
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