周期调制倾斜光晶格中单粒子混沌输运特性

doi:10.3969/j.cnki.jdxb.2015.06.009

journal6 ›› 2015, Vol. 36 ›› Issue (6): 35-39.DOI: 10.3969/j.cnki.jdxb.2015.06.009

周期调制倾斜光晶格中单粒子混沌输运特性

朱博，林娟萍，钟宏华

(吉首大学物理与机电工程学院，湖南吉首 416000)

出版日期:2015-11-25 发布日期:2015-12-23
通讯作者: 钟宏华(1983—),男,湖南长沙人,吉首大学物理与机电工程学院副教授,博士，主要从事冷原子物理研究.
作者简介:朱博(1990—),男,湖南慈利人,吉首大学物理与机电工程学院硕士研究生,主要从事量子物理及其应用研究
基金资助:
国家自然科学基金资助项目(11465008);湖南省自然科学基金资助项目(2015JJ2114);湖南省教育厅重点资助项目(14A118)

Chaotic Transport for Single Particle in Tilted Optical Lattice with Periodical Modulation

ZHU Bo, LIN Juan-Ping, ZHONG Hong-Hua

( College of Physics and Electromechanical Engineering,Jishou University,Jishou 416000,Hunan China)

Online:2015-11-25 Published:2015-12-23

摘要/Abstract

摘要：研究周期调制倾斜光晶格中单粒子的混沌动力学行为，在强调制强度情形下探讨了混沌对粒子量子输运的影响.仿真分析结果表明，只有当调制频率与晶格倾斜度相匹配时，才会发生混沌帮助量子隧穿现象，否则混沌帮助局域化.外场调制方法能有效地操控粒子的量子输运.

关键词： 混沌, 庞加莱截面, 周期调制, 量子输运

Abstract: The chaotic dynamic behavior of single particle in the tilted optical lattice with periodical modulation is explored,and the effect of chaos on quantum transport is studied under the strong modulating case.The chaos is found to assist quantum tunneling only when the modulation frequency matches with the gradient of lattice;otherwise,the chaos promotes localization.Therefore,the quantum transport of the particle can be manipulated via adjusting periodical modulation.

Key words: chaos;Poincaré, section;periodical modulation ;quantum transport

朱博, 林娟萍, 钟宏华. 周期调制倾斜光晶格中单粒子混沌输运特性[J]. journal6, 2015, 36(6): 35-39.

ZHU Bo, LIN Juan-Ping, ZHONG Hong-Hua. Chaotic Transport for Single Particle in Tilted Optical Lattice with Periodical Modulation[J]. journal6, 2015, 36(6): 35-39.

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周期调制倾斜光晶格中单粒子混沌输运特性

Chaotic Transport for Single Particle in Tilted Optical Lattice with Periodical Modulation

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