Please wait a minute...
Chin. Phys. B, 2015, Vol. 24(7): 076701    DOI: 10.1088/1674-1056/24/7/076701

Phase diagram and collective modes in Rashba spin–orbit coupled BEC: Effect of in-plane magnetic field

Dong Dong (董冬), Zou Xu-Bo (邹旭波), Guo Guang-Can (郭光灿)
Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026, China

We studied the system of pure Rashba spin–orbit coupled Bose gas with an in-plane magnetic field. Based on the mean field theory, we obtained the zero temperature phase diagram of the system which exhibits three phases, plane wave (PW) phase, striped wave (SW) phase, and zero momentum (ZM) phase. It was shown that with a growing in-plane field, both SW and ZM phases will eventually turn into the PW phase. Furthermore, we adopted the Bogoliubov theory to study the excitation spectrum as well as the sound speed.

Keywords:  Rashba spin-orbit coupling      excitation spectrum      in-plane magnetic field  
Received:  08 March 2015      Revised:  14 April 2015      Accepted manuscript online: 
PACS:  67.85.Fg (Multicomponent condensates; spinor condensates)  
  05.30.Jp (Boson systems)  
  03.75.Mn (Multicomponent condensates; spinor condensates)  

Project supported by the National Natural Science Foundation of China (Grant No. 10774088).

Corresponding Authors:  Zou Xu-Bo     E-mail:

Cite this article: 

Dong Dong (董冬), Zou Xu-Bo (邹旭波), Guo Guang-Can (郭光灿) Phase diagram and collective modes in Rashba spin–orbit coupled BEC: Effect of in-plane magnetic field 2015 Chin. Phys. B 24 076701

[1] Lin Y J, Jimenez-Garcia K and Spielman I B 2011 Nature 471 83
[2] Dalibard J, Gerbier F, Juzeliunas G and Ohberg P 2011 Rev. Mod. Phys. 83 1523
[3] Goldman N, Juzeliunas G, Ohberg P and Spielman I B 2014 Rep. Prog. Phys. 77 126401
[4] Zhou X F, Li Y, Cai Z and Wu C J 2013 J. Phys. B: At. Mol. Opt. Phys. 46 134001
[5] Zhang S and Ho T L 2011 Phys. Rev. Lett. 107 150403
[6] Li Y, Martone G I and Stringari S 2014 arXiv: 1410.5526
[7] Galitski V and Spielman I B 2013 Nature 494 49
[8] Wang X, Tan R B, Du Z J, Zhao W Y, Zhang X F and Zhang S G 2014 Chin. Phys. B 23 070308
[9] Xie W F, He Y Z and Bao C G 2015 Chin. Phys. B 24 060305
[10] Wang C, Gao C, Jian C M and Zhai H 2010 Phys. Rev. Lett. 105 160403
[11] Wu C J, Mondragon-Shem I and Zhou X F 2011 Chin. Phys. Lett. 28 097102
[12] Zhu Q Z, Zhang C W and Wu B 2012 Euro. Phys. Lett. 100 50003
[13] Radic J, Ciolo A D, Sun K and Galitski V 2012 Phys. Rev. Lett. 109 085303
[14] Cai Z, Zhou X F and Wu C J 2012 Phys. Rev. A 85 061605
[15] Dalibard J, Gerbier F, Juzeliunas G and Ohberg P 2011 Rev. Mod. Phys. 83 1523
[16] Xu Z F and You L 2012 Phys. Rev. A 85 043605
[17] Anderson B M, Spielman I B and Juzeliunas G 2013 Phys. Rev. Lett. 111 125301
[18] Yu Z Q 2013 Phys. Rev. A 87 051606
[19] Sinha S, Nath R and Santos L 2011 Phys. Rev. Lett. 107 270401
[20] Xu X Q and Han J H 2012 Phys. Rev. Lett. 108 185301
[1] Influence of Rashba spin-orbit coupling on Josephson effect in triplet superconductor/two-dimensional semiconductor/triplet superconductor junctions
Bin-Hao Du(杜彬豪), Man-Ni Chen(陈嫚妮), and Liang-Bin Hu(胡梁宾). Chin. Phys. B, 2022, 31(7): 077201.
[2] Gate tunable Rashba spin-orbit coupling at CaZrO3/SrTiO3 heterointerface
Wei-Min Jiang(姜伟民), Qiang Zhao(赵强), Jing-Zhuo Ling(凌靖卓), Ting-Na Shao(邵婷娜), Zi-Tao Zhang(张子涛), Ming-Rui Liu(刘明睿), Chun-Li Yao(姚春丽), Yu-Jie Qiao(乔宇杰), Mei-Hui Chen(陈美慧), Xing-Yu Chen(陈星宇), Rui-Fen Dou(窦瑞芬), Chang-Min Xiong(熊昌民), and Jia-Cai Nie(聂家财). Chin. Phys. B, 2022, 31(6): 066801.
[3] Landau-like quantized levels of neutral atom induced by a dark-soliton shaped electric field
Yueming Wang(王月明), Zhen Jin(靳祯). Chin. Phys. B, 2020, 29(1): 010303.
[4] Behavior of fractional quantum Hall states in LLL and 1LL with in-plane magnetic field and Landau level mixing: A numerical investigation
Lin-Peng Yang(杨林鹏), Qi Li(李骐), Zi-Xiang Hu(胡自翔). Chin. Phys. B, 2018, 27(8): 087306.
[5] Photon-assisted electronic and spin transport through two T-shaped three-quantum-dot molecules embedded in an Aharonov-Bohm interferometer
Jiyuan Bai(白继元), Li Li(李立), Zelong He(贺泽龙), Shujiang Ye(叶树江), Shujun Zhao(赵树军), Suihu Dang(党随虎), Weimin Sun(孙伟民). Chin. Phys. B, 2017, 26(11): 117302.
[6] Spin excitation spectra of spin–orbit coupled bosons in an optical lattice
Li Ruo-Yan (李若言), He Liang (贺亮), Sun Qing (孙青), Ji An-Chun (纪安春), Tian Guang-Shan (田光善). Chin. Phys. B, 2015, 24(5): 056701.
[7] Transport properties in multi-terminal regular polygonal quantum ring with Rashba spin-orbit coupling
Tang Han-Zhao (唐翰昭), Zhai Li-Xue (翟利学), Liu Jian-Jun (刘建军). Chin. Phys. B, 2012, 21(12): 120303.
[8] A pure spin-current injector of semiconductor quantum dots with Andreev reflection and Rashba spin–orbit coupling
Ye Cheng-Zhi(叶成芝), Nie Yi-Hang(聂一行), and Liang Jiu-Qing(梁九卿) . Chin. Phys. B, 2011, 20(12): 127202.
[9] Magnetization of two-dimensional heavy holes with boundaries in a perpendicular magnetic field
Fang Cheng(方诚), Wang Zhi-Gang(王志刚), Li Shu-Shen(李树深), and Zhang Ping(张平). Chin. Phys. B, 2009, 18(10): 4430-4436.
[10] Investigation of the A2Σ- state of CuO by laser-induced fluorescence
Jin Jin (金瑾), Ran Qin (冉琴), Zhang Xiao-Peng (张霄鹏), Chen Yang (陈旸), Chen Cong-Xiang (陈从香). Chin. Phys. B, 2002, 11(5): 481-485.
No Suggested Reading articles found!