Dynamical properties of ultracold Bose atomic gases in one-dimensional optical lattices created by two schemes

doi:10.1088/1674-1056/ab3448

中国物理B ›› 2019, Vol. 28 ›› Issue (9): 93701-093701.doi: 10.1088/1674-1056/ab3448

• ATOMIC AND MOLECULAR PHYSICS • 上一篇下一篇

Dynamical properties of ultracold Bose atomic gases in one-dimensional optical lattices created by two schemes

Jiang Zhu(朱江), Cheng-Ling Bian(边成玲), Hong-Chen Wang(王红晨)

College of Physics and Electronic Engineering, Hainan Normal University, Haikou 571158, China

收稿日期:2019-02-24 修回日期:2019-06-08 出版日期:2019-09-05 发布日期:2019-09-05
通讯作者: Jiang Zhu E-mail:aresjiangzhu@163.com
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11764012, 11565011, 11665010, 61864002, and 11805047) and the Natural Science Foundation of Hainan Province, China (Grant No. 20165197).

Dynamical properties of ultracold Bose atomic gases in one-dimensional optical lattices created by two schemes

Jiang Zhu(朱江), Cheng-Ling Bian(边成玲), Hong-Chen Wang(王红晨)

College of Physics and Electronic Engineering, Hainan Normal University, Haikou 571158, China

Received:2019-02-24 Revised:2019-06-08 Online:2019-09-05 Published:2019-09-05
Contact: Jiang Zhu E-mail:aresjiangzhu@163.com
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11764012, 11565011, 11665010, 61864002, and 11805047) and the Natural Science Foundation of Hainan Province, China (Grant No. 20165197).

摘要/Abstract

摘要：

An optical lattice could be produced either by splitting an input light (splitting scheme) or by reflecting the input light by a mirror (retro-reflected scheme). We study quantum dynamical properties of an atomic Bose-Einstein condensate (BEC) in the two schemes. Adopting a mean field theory and neglecting collision interactions between atoms, we find that the momentum and spatial distributions of BEC are always symmetric in the splitting scheme which, however, are asymmetric in the retro-reflected scheme. The reason for this difference is due to the local field effect. Furthermore, we propose an effective method to avoid asymmetric diffraction.

关键词: optical lattice, Bose-Einstein condensate, local field effect

Abstract:

Key words: optical lattice, Bose-Einstein condensate, local field effect

中图分类号: (Atoms in optical lattices)

37.10.Jk

67.85.Hj (Bose-Einstein condensates in optical potentials) 42.25.Fx (Diffraction and scattering)

朱江, 边成玲, 王红晨. Dynamical properties of ultracold Bose atomic gases in one-dimensional optical lattices created by two schemes[J]. 中国物理B, 2019, 28(9): 93701-093701.

Jiang Zhu(朱江), Cheng-Ling Bian(边成玲), Hong-Chen Wang(王红晨). Dynamical properties of ultracold Bose atomic gases in one-dimensional optical lattices created by two schemes[J]. Chin. Phys. B, 2019, 28(9): 93701-093701.

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Dynamical properties of ultracold Bose atomic gases in one-dimensional optical lattices created by two schemes

Dynamical properties of ultracold Bose atomic gases in one-dimensional optical lattices created by two schemes

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