Tunable ground-state solitons in spin-orbit coupling Bose-Einstein condensates in the presence of optical lattices

Properties of the ground-state solitons, which exist in the spin-orbit coupling （SOC） Bose-Einstein condensates （BEC） in the presence of optical lattices, are presented. Results show that several system parameters, such as SOC strength, lattice depth, and lattice frequency, have important influences...

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Published inChinese physics B Vol. 26; no. 8; pp. 54 - 60
Main Author 张华峰 陈方 郁春潮 孙利辉 徐大海
Format Journal Article
LanguageEnglish
Published 01.08.2017
Subjects
光晶格
可调谐
基态
孤子
玻色-爱因斯坦凝聚体
自旋-轨道耦合
自旋极化
自旋轨道耦合
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ISSN1674-1056
2058-3834
DOI10.1088/1674-1056/26/8/080304

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Summary:Properties of the ground-state solitons, which exist in the spin-orbit coupling （SOC） Bose-Einstein condensates （BEC） in the presence of optical lattices, are presented. Results show that several system parameters, such as SOC strength, lattice depth, and lattice frequency, have important influences on properties of ground state solitons in SOC BEC. By controlling these parameters, structure and spin polarization of the ground-state solitons can be effectively tuned, so ma- nipulation of atoms may be realized.
Bibliography:spin-orbit coupling, Bose-Einstein condensates, optical lattices
Huafeng Zhang1,2, Fang Chen1,2, Chunchao Yu1,2, Lihui Sun1,2, and Dahai Xu2（ 1 Institute of Quantum Optics and Information Photonics, Yangtze University, Jingzhou 434023, China 2School of Physics and Optoelectronic Engineering, Yangtze University, Jingzhou 434023, China）
Properties of the ground-state solitons, which exist in the spin-orbit coupling （SOC） Bose-Einstein condensates （BEC） in the presence of optical lattices, are presented. Results show that several system parameters, such as SOC strength, lattice depth, and lattice frequency, have important influences on properties of ground state solitons in SOC BEC. By controlling these parameters, structure and spin polarization of the ground-state solitons can be effectively tuned, so ma- nipulation of atoms may be realized.
11-5639/O4
ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/26/8/080304