Dynamical Topological Quantum Phase Transitions in Nonintegrable Models

被引：27

作者：

Hagymasi, I ^{[1
,2
,3
]}

Hubig, C. ^{[4
]}

Legeza, O. ^{[3
]}

Schollwoeck, U. ^{[1
,2
]}

机构：

[1] Ludwig Maximilians Univ Munchen, Fak Phys, Arnold Sommerfeld Ctr Theoret Phys ASC, Dept Phys, D-80333 Munich, Germany

[2] MCQST, Schellingstr 4, D-80799 Munich, Germany

[3] MTA Wigner Res Ctr Phys, Inst Solid State Phys & Opt, Strongly Correlated Syst Lendulet Res Grp, POB 49, H-1525 Budapest, Hungary

[4] Max Planck Inst Quantum Opt, Hans Kopfermann Str 1, D-85748 Garching, Germany

来源：

PHYSICAL REVIEW LETTERS | 2019年 / 122卷 / 25期

关键词：

GROUND-STATES; CHAINS;

D O I：

10.1103/PhysRevLett.122.250601

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We consider sudden quenches across quantum phase transitions in the S = 1 XXZ model starting from the Haldane phase. We demonstrate that dynamical phase transitions may occur during these quenches that are identified by nonanalyticities in the rate function for the return probability. In addition, we show that the temporal behavior of the string order parameter is intimately related to the subsequent dynamical phase transitions. We furthermore find that the dynamical quantum phase transitions can be accompanied by enhanced two-site entanglement.

引用

页数：6

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