共心双环外势中两分量偶极玻色-爱因斯坦凝聚体的基态结构研究

张晓斐; 张培; 陈光平; 董彪; 谭仁兵; 张首刚

doi:10.7498/aps.64.060302

摘要

利用虚时演化方法研究了共心双环外势中具有偶极-偶极相互作用的两分量玻色-爱因斯坦凝聚体的基态结构, 探索了接触相互作用和长程各向异性的偶极-偶极相互作用对系统基态的影响. 研究发现, 偶极-偶极相互作用作为系统的又一调控参数, 可用于得到系统的不同的基态相, 并用于控制不同基态相间的转化.

关键词:

By using the imaginary-time propagation method, we study the ground state structure of a two-component dipolar Bose-Einstein condensate confined in a coupled annular potential. The effects of contact and dipole-dipole interaction on the ground state density distribution of such a system are investigated in detail. The results show that the dipole-dipole interaction, acting as a new degree of freedom, can be used to obtain the desired ground state phases, and to control the phase transition between different ground states.

Keywords:

作者及机构信息

1.
中国科学院国家授时中心, 时间频率基准重点实验室, 西安 710600;

2.
红河学院信息技术中心, 蒙自 661100;

3.
重庆科技学院数理学院物理系, 重庆 401331

基金项目: 国家自然科学基金(批准号: 11104064)、中国科学院“西部之光”重点项目(批准号: 2012ZD02)、陕西省科学技术研究发展计划(批准号: 2013KJXX-03)和重庆市基础与前沿研究计划(批准号: cstc2014jcyjA50016) 资助的课题.

Authors and contacts

1.
Key Laboratory of Time and Frequency Primary Standards, National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China;

2.
Information Technology Center, Honghe University, Mengzi 661100, China;

3.
Department of Physics, School of Mathematics and Physics, Chongqing University of Science and Technology, Chongqing 401331, China

Funds: Project supported by the National Natural Science Foundation of China (Grant No. 11104064), the key project fund of the CAS for the “Western Light” Talent Cultivation Plan, China (Grant No. 2012ZD02), the Science and Technology Project of Shaanxi Province, China (Grant No. 2013KJXX-03), and the Cutting-edge Basic Research Program of Chongqing Municipality, China (Grant No. cstc2014jcyjA50016).

参考文献

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[3]	Davis K B, Mewes M O, Andrews M R, VanDruten N J, Durfee D S, Kurn D M, Ketterle W 1995 Phys. Rev. Lett. 75 3969
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[12]	Shi T, Zou S H, Hu H, Sun C P, Yi S 2013 Phys. Rev. Lett. 110 045301
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[17]	Aikawa K, Frisch A, Mark M, Baier S, Rietzler A, Grimm R, Ferlaino F 2012 Phys. Rev. Lett. 108 210401
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[27]	Situ S P, He Y Z 2011 Chin. Phys. B 20 010310
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[32]	Zöllner S, Bruun G M, Pethick C J, Reimann S M 2011 Phys. Rev. Lett. 107 035301
[33]	Malet F, Kristensen T, Reimann S M, Kavoulakis G M 2011 Phys. Rev. A 83 033628
[34]	Malet F, Kavoulakis G M, Reimann S M 2011 Phys. Rev. A 84 043626
[35]	Karabulut E Ö, Malet F, Kavoulakis G M, Reimann S M 2013 Phys. Rev. A 87 033615
[36]	Zhang Y C, Wang H T, Shen S Q 2013 Chin. Phys. B 22 090501
[37]	Zhang J, Zhai H 2006 Physics 35 553 (in Chinese) [张剑, 翟荟 2006 物理 35 553]
[38]	Wu J H, Xu S N 2013 Chin. Phys. B 22 120304
[39]	Cai Y, Rosenkranz M, Lei Z, Bao W 2010 Phys. Rev. A 82 043623
[40]	Lahaye T, Menotti C, Santos L, Lewenstein M, Pfau T 2009 Rep. Prog. Phys. 72 126401
[41]	Malet F, Kavoulakis G M, Reimann S M 2010 Phys. Rev. A 81 013630
[42]	Wang X, Tan R B, Du Z J, Zhao W Y, Zhang X F, Zhang S G 2014 Chin. Phys. B 23 070308

施引文献

[1]	Anderson M H, Ensher J R, Matthews M R, Wieman C E, Cornell E A 1995 Science 269 198
[2]	Bradley C C, Sackett C A, Tollet J J, Hulet R G 1995 Phys. Rev. Lett. 75 1687
[3]	Davis K B, Mewes M O, Andrews M R, VanDruten N J, Durfee D S, Kurn D M, Ketterle W 1995 Phys. Rev. Lett. 75 3969
[4]	Inouye S, Andrews M, Stenger J, Miesner H, Stamper-Kurn D, Ketterle W 1998 Nature 392 151
[5]	Kevrekidis P G, Theocharis G, Frantzeskakis D J, Malomed B A 2003 Phys. Rev. Lett. 90 230401
[6]	Merhasin I, Malomed B A, Driben R 2005 J. Phys. B 38 877
[7]	Kawaguchi Y, Saito H, Ueda M 2006 Phys. Rev. Lett. 97 130404
[8]	Takahashi M, Ghosh S, Mizushima T, Machida K 2007 Phys. Rev. Lett. 98 260403
[9]	Kawaguchi Y, Saito H, Ueda M 2007 Phys. Rev. Lett. 98 110406
[10]	Wu B, Niu Q 2000 Phys. Rev. A 61 023402
[11]	Liu J, Wu B, Niu Q 2003 Phys. Rev. Lett. 90 170404
[12]	Shi T, Zou S H, Hu H, Sun C P, Yi S 2013 Phys. Rev. Lett. 110 045301
[13]	Stuhler J, Griesmaier A, Koch T, Fattori M, Pfau T, Giovanazzi S, Pedri P, Santos L 2005 Phys. Rev. Lett. 95 150406
[14]	Griesmaier A, Werner J, Hensler S, Stuhler J, Pfau T 2005 Phys. Rev. Lett. 94 160401
[15]	Pollack S E, Dries D, Junker M, Chen Y P, Corcovilos T A, Hulet R G 2009 Phys. Rev. Lett. 102 090402
[16]	McClelland J J, Hanssen J L 2006 Phys. Rev. Lett. 96 143005
[17]	Aikawa K, Frisch A, Mark M, Baier S, Rietzler A, Grimm R, Ferlaino F 2012 Phys. Rev. Lett. 108 210401
[18]	Lu M W, Youn S H, Lev B L 2010 Phys. Rev. Lett. 104 063001
[19]	Lu M W, Burdick N Q, Youn S H, Lev B L 2011 Phys. Rev. Lett. 107 190401
[20]	Martikainen J P, Mackie M, Suominen K A 2001 Phys. Rev. A 64 037601
[21]	Góral K, Santos L 2002 Phys. Rev. A 66 023613
[22]	Shirley W E, Anderson B M, Clark C W, Wilson R M 2014 Phys. Rev. Lett. 113 165301
[23]	Góral K, Santos L, Lewenstein M 2002 Phys. Rev. Lett. 88 170406
[24]	Mller S, Billy J, Henn E A L, Kadau H, Griesmaier A, Jona-Lasinio M, Santos L, Pfau T 2011 Phys. Rev. A 84 053601
[25]	Huang J S, Chen H F, Xie Z W 2008 Acta Phys. Sin. 57 3435 (in Chinese) [黄劲松, 陈海峰, 谢征微 2008 57 3435]
[26]	Khn S, Judd T E 2013 Phys. Rev. A 87 023608
[27]	Situ S P, He Y Z 2011 Chin. Phys. B 20 010310
[28]	Xiong B, Gong J, Pu H, Bao W, Li B 2009 Phys. Rev. A 79 013626
[29]	Zang X F, Li J P, Tan L 2007 Acta Phys. Sin. 56 4348 (in Chinese) [臧小飞, 李菊萍, 谭磊 2007 56 4348]
[30]	Abad M, Guilleumas M, Mayol R, Pi M, Jezeket D M 2010 Phys. Rev. A 81 043619
[31]	Abad M, Guilleumas M, Mayo R, Pi M, Jezeket D M 2011 Europhys. Lett. 94 10004
[32]	Zöllner S, Bruun G M, Pethick C J, Reimann S M 2011 Phys. Rev. Lett. 107 035301
[33]	Malet F, Kristensen T, Reimann S M, Kavoulakis G M 2011 Phys. Rev. A 83 033628
[34]	Malet F, Kavoulakis G M, Reimann S M 2011 Phys. Rev. A 84 043626
[35]	Karabulut E Ö, Malet F, Kavoulakis G M, Reimann S M 2013 Phys. Rev. A 87 033615
[36]	Zhang Y C, Wang H T, Shen S Q 2013 Chin. Phys. B 22 090501
[37]	Zhang J, Zhai H 2006 Physics 35 553 (in Chinese) [张剑, 翟荟 2006 物理 35 553]
[38]	Wu J H, Xu S N 2013 Chin. Phys. B 22 120304
[39]	Cai Y, Rosenkranz M, Lei Z, Bao W 2010 Phys. Rev. A 82 043623
[40]	Lahaye T, Menotti C, Santos L, Lewenstein M, Pfau T 2009 Rep. Prog. Phys. 72 126401
[41]	Malet F, Kavoulakis G M, Reimann S M 2010 Phys. Rev. A 81 013630
[42]	Wang X, Tan R B, Du Z J, Zhao W Y, Zhang X F, Zhang S G 2014 Chin. Phys. B 23 070308

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