Flux-quench induced dynamical quantum phase transitions in an extended XY spin-chain

被引：0
|
作者：
Nie, Wen-Hui [1 ]
Zhang, Mei-Yu [1 ]
Wang, Lin-Cheng [1 ]
机构：
[1] Dalian Univ Technol, Sch Phys, Dalian 116024, Peoples R China
来源：
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2024年 / 653卷
基金：
中国国家自然科学基金;
关键词：
Dynamical quantum phase transitions; Flux-quench; Spin-chain;
D O I：
10.1016/j.physa.2024.130110
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Dynamical quantum phase transitions (DQPTs) induced by flux-quench in an extended trans- versed XY spin-chain have been investigated in this paper. We discussed the conditions for the appearance of DQPTs, and the different regions of the flux quench restricted by strength of transverse field were given. The Loschmidt echo, rate function, geometric phase, as well as dynamical topological order parameter (DTOP) have been calculated, which consistently verified the emergence of DQPTs.
引用
收藏
页数：11
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