全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

偏磁场可控平行载流导线冷原子分束器

, PP. 37-43

Keywords: 原子光学,冷原子分束器,Monte-Carlo模拟,分束比

Full-Text   Cite this paper   Add to My Lib

Abstract:

提出了一种采用平行载流导线的偏磁场可控的中性冷原子磁导引方案,计算了不同横向偏置磁场情况下的横截面磁场分布,讨论了磁阱中心位置的变化,可以实现单通道或双通道可控磁导引。在此方案基础上,构建了一种利用纵向均匀偏置磁场实现可控分束比的冷原子分束器方案,计算了横向磁阱的分布,给出了分束器的磁场等高面分布,并采用经典Monte-Carlo方法,模拟了冷原子在原子分束器中的动力学过程,得到了可调分束比的结果,验证了该方案的可行性。当纵向均匀偏置磁场从-0.005G增加到0.005G时,左右输出端的分束比从0.9/0.1变化到0.1/0.9。

References

[1]  Ol’shanii M A, Ovchinnikov Y B, and Letokhov V S. Laser guiding of atoms in a hollow optical fiber. Optics Commun., 1993,98:77?
[2]  Yin J, Zhu Yifu, Wonho Jhe, et al. Atomic guiding and cooling in a dark hollow laser beam. Phys. Rev., 1998,A58(1):509?
[3]  Pruvost L, Marescaux D, Houde O. Guiding and cooling of cold atoms in a dipole guide[J].Opt. Commun., 1999,166(1-6):199?
[4]  Renn M J, Donley E A, Cornell E A, et al. Evanescent-wave guiding of atoms in hollow optical fibers.Phys. Rev., 1996,A53(2):R648?
[5]  Marksteiner S, Savage C M, Zoller P, and Rolston S L. Coherent atomic waveguides from hollow optical fibers:Quantized atomic motion. Phys. Rev., 1994,A50 (3): 2680-2690?
[6]  Hau L V,et al. Supersymmetry and the binding of a magnetic atom to a filamentary current.Phys. Rev. Lett., 1995,74:3138-3140?
[7]  Schmiedmayer J. Guiding and trapping a neutral atom on a wire.Phys. Rev.,1995,A52:R13-R16?
[8]  Schmiedmayer J. A wire trap for neutral atoms. Appl. Phys., 1995,B60:169?
[9]  Denschlag J, et al. Guiding neutral atoms with a wire[J].Phys. Rev. Lett., 1999,82:2014-2017?
[10]  Müller D,et al. Guiding neutral atoms around curves with lithographically patterned current-carrying wires.Phys. Rev. Lett., 1999,83:5194-5197?
[11]  Dekker N H ,et al. Guiding neutral atoms on a chip.Phys. Rev. Lett., 2000,84:1124-1127?
[12]  Key M, et al. Propagation of cold atoms along a miniature magnetic guide.Phys. Rev. Lett., 2000,84:1371-1373?
[13]  Hansel W, et al. Bose-Einstein condensation on a microelectronic.Nature, 2001,413:498?
[14]  Houde O, Kadio D, and Pruvost L. A beam-splitter for cold atoms realized with two dipole guides.Phys. Rev. Lett., 2000,85:5543?
[15]  Cassettari D, Hessmo B, Folman R, Maier T, and Schmiedmayer J. A beam splitter for guided atoms on an atom chip. Phys. Rev. Lett., 2000,85:5483?
[16]  Muller D,Cornell E A, Prevedelli M, Schwindt PDD, Zozulya A, and Anderson D Z.Waveguide atom beam splitter for laser-cooled neutral atoms. Opt. Lett., 2000,25(18):1382?
[17]  Liu N, Gao W, Yin J.Magnetic guide of cold atoms using a U-shaped current-carrying conductor.Chin. Phys(中国物理), 2003,12(9):955-963?
[18]  Liu N, Gao W, Yin J.A novel controllable beam splitter for guided atoms. Chin. Phys. Lett(中国物理快报)., 2003,20(8):1199-1201?
[19]  Liu N, Gao W, Yin J. Magnetic guiding of cold neutral atoms using a V-shaped current-carrying conductor. Eur. Phys. J. D, 2002,19:137-145?
[20]  Qi R, Yu X L, Li Z B, Liu W M, Non-Abelian Josephson effect between two F=2 spinor Bose-Einstein condensates in double optical traps Phys. Rev. Lett. ,2009,102, 185301?
[21]  Liang Z X, Zhang Z D, Liu W M, Dynamics of a bright soliton in Bose-Einstein condensates with time-dependent atomic scattering length in an expulsive parabolic potential Phys. Rev. Lett. ,2005,94, 050402.?
[22]  Liu W M, Wu B, Niu Q, Nonlinear effects in interference of Bose-Einstein condesates Phys. Rev. Lett. ,2000,84, 2294?
[23]  Muller D, Cornell E A, Prevedelli M, Schwindt P D D, Wang Y, and Anderson D Z. Magnetic switch for integrated atom optics .Phys. Rev.A,2001,63,041602(R)/1-3
[24]  Dalfovo F, Giorgini S, Pitaevskii L P and Stringari S, Theory of Bose-Einstein condensation in trapped gases, Rev.Mod.phys.,1999,71,463?
[25]  Ji A C, Liu W M, Song J L, Zhou F, Dynamical creation of fractionalized vortices and vortex lattices Phys. Rev. Lett. ,2008,101, 010402?

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133