Dynamics of spin–orbit-coupled cold atomic gases in a Floquet lattice with an impurity

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成果类型：

期刊论文

作者：

Luo, Xiaobing*;Yang, Baiyuan;Cui, Jin;Guo, Yu;Li, Lei;...

通讯作者：

Luo, Xiaobing

作者机构：

[Yang, Baiyuan; Luo, Xiaobing; Hu, Qianglin; Li, Lei] Jinggangshan Univ, Dept Phys, Jian 343009, Jiangxi, Peoples R China.

[Yang, Baiyuan; Luo, Xiaobing; Hu, Qianglin; Li, Lei] Jinggangshan Univ, Inst Atom Mol Phys & Funct Mat, Jian 343009, Jiangxi, Peoples R China.

[Cui, Jin; Luo, Xiaobing] Hunan Normal Univ, Dept Phys, Changsha 410081, Hunan, Peoples R China.

[Cui, Jin; Luo, Xiaobing] Hunan Normal Univ, Key Lab Low Dimens Quantum Struct & Quantum Contr, Minist Educ, Changsha 410081, Hunan, Peoples R China.

[Cui, Jin; Luo, Xiaobing] Hunan Normal Univ, Synerget Innovat Ctr Quantum Effects & Applicat, Changsha 410081, Hunan, Peoples R China.

通讯机构：

[Luo, Xiaobing] J

[Luo, Xiaobing] H

Jinggangshan Univ, Dept Phys, Jian 343009, Jiangxi, Peoples R China.

Jinggangshan Univ, Inst Atom Mol Phys & Funct Mat, Jian 343009, Jiangxi, Peoples R China.

Hunan Normal Univ, Dept Phys, Changsha 410081, Hunan, Peoples R China.

语种：

英文

关键词：

Optical lattices;Quantum chemistry;Resonant tunneling;Dynamical localization;Multiple time scale;Perturbative method;Quasi-energy spectrum;Second order process;Second orders;Spin-dependent tunneling process;Spin-orbit couplings;Spin dynamics

期刊：

Journal of Physics B: Atomic, Molecular and Optical Physics

ISSN：

0953-4075

年：

2019

卷：

期：

页码：

085301

DOI：

10.1088/1361-6455/ab0e5d

基金类别：

NNSF of ChinaNational Natural Science Foundation of China (NSFC) [11465009, 11747172, 11764022, 11165009]; Humanity and Social Science Youth foundation of Ministry of Education of China [17YJCZH042]; Scientific and Technological Research Fund of Jiangxi Provincial Education Department [GJJ180559, GJJ180588]; Hunan Provincial Natural Science Foundation of ChinaNatural Science Foundation of Hunan Province [2017JJ2272]

机构署名：

本校为其他机构

院系归属：

物理与电子科学学院

摘要：

In this work, we have studied the quantum tunneling of a single spin-orbit-coupled atom held in a periodically modulated optical lattice with an impurity. As a result we find that the dynamical localization takes place globally at the collapse points of quasienergy spectrum, even when the impurity potential is far off-resonant with the driving field. Meanwhile, two types of local second-order tunneling processes appear beyond expectation between the two nearest-neighbor sites of the impurity, with the spin unchanged and with the impurity site p...

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Dynamics of spin–orbit-coupled cold atomic gases in a Floquet lattice with an impurity

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