Mean-field dynamics of an infinite-range interacting quantum system: Chaos, dynamical phase transition, and localization

被引：1
作者：
Zunkovic, Bojan [1 ]
Zegarra, Antonio [1 ]
机构：
[1] Univ Ljubljana, Fac Comp & Informat Sci, Ljubljana 1000, Slovenia
来源：
PHYSICAL REVIEW B | 2024年 / 109卷 / 06期
关键词：
PROPAGATION; ATOM; GAS;
D O I：
10.1103/PhysRevB.109.064309
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We investigate the dynamical properties of the XY spin -1/2 chain with infinite -range transverse interactions and find a dynamical phase transition with a chaotic dynamical phase. In the latter, we find nonvanishing finitetime Lyapunov exponents and intermittent behavior signaled by fast and slow entropy growth periods. Further, we study the XY chain with a local self -consistent transverse field and observe a localization phase transition. We show that localization stabilizes the chaotic dynamical phase.
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页数：13
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