Dynamical many-body localization in an integrable model

被引：23

作者：

Keser, Aydin Cem ^{[1
]}

Ganeshan, Sriram ^{[1
,2
]}

Refael, Gil ^{[3
]}

Galitski, Victor ^{[1
,2
,4
]}

机构：

[1] Univ Maryland, Dept Phys, Condensed Matter Theory Ctr, College Pk, MD 20742 USA

[2] Univ Maryland, Joint Quantum Inst, College Pk, MD 20742 USA

[3] CALTECH, Dept Phys, Inst Quantum Informat & Matter, Pasadena, CA 91125 USA

[4] Monash Univ, Sch Phys, Melbourne, Vic 3800, Australia

来源：

PHYSICAL REVIEW B | 2016年 / 94卷 / 08期

基金：

澳大利亚研究理事会; 美国国家科学基金会;

关键词：

QUANTUM-STATISTICAL-MECHANICS; SOLVABLE MODEL; THERMALIZATION; TRANSITION; SPECTRUM; SYSTEMS; MOTION; CHAOS;

D O I：

10.1103/PhysRevB.94.085120

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We investigate dynamical many-body localization and delocalization in an integrable system of periodically-kicked, interacting linear rotors. The linear-in-momentum Hamiltonian makes the Floquet evolution operator analytically tractable for arbitrary interactions. One of the hallmarks of this model is that depending on certain parameters, it manifests both localization and delocalization in momentum space. We present a set of "emergent" integrals of motion, which can serve as a fundamental diagnostic of dynamical localization in the interacting case. We also propose an experimental scheme, involving voltage-biased Josephson junctions, to realize such many-body kicked models.

引用

页数：8

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