Ground state of a two-component dipolar Bose-Einstein condensate confined in a coupled annular potential

Zhang Xiao-Fei; Zhang Pei; Chen Guang-Ping; Dong Biao; Tan Ren-Bing; Zhang Shou-Gang

doi:10.7498/aps.64.060302

Abstract

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:

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).

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[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
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[33]	Malet F, Kristensen T, Reimann S M, Kavoulakis G M 2011 Phys. Rev. A 83 033628
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[36]	Zhang Y C, Wang H T, Shen S Q 2013 Chin. Phys. B 22 090501
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[38]	Wu J H, Xu S N 2013 Chin. Phys. B 22 120304
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[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

Cited By

[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 物理学报 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 物理学报 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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Vol. 64, Issue 6 - 2015-03-20

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