中国物理B ›› 2003, Vol. 12 ›› Issue (7): 738-744.doi: 10.1088/1009-1963/12/7/307

• • 上一篇    下一篇

The periodic magnetic cylinder tube for atom guidance: transport efficiency analysis

李代军, 胡正峰, 李师群   

  1. Department of Physics, Tsinghua University, Beijing 100084, China; Key Laboratory of Quantum Information and Measurement, Education Ministry, China; Center for Atomic and Molecular Nanoscience, Tsinghua University, China
  • 收稿日期:2002-07-18 修回日期:2003-04-03 出版日期:2003-07-16 发布日期:2005-03-16
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No 19975027), and the State Key Development Program for Basic Research of China (Grant No 001 CB 309308).

The periodic magnetic cylinder tube for atom guidance: transport efficiency analysis

Li Dai-Jun (李代军), Hu Zheng-Feng (胡正峰), Li Shi-Qun (李师群)   

  1. Department of Physics, Tsinghua University, Beijing 100084, China; Key Laboratory of Quantum Information and Measurement, Education Ministry, China; Center for Atomic and Molecular Nanoscience, Tsinghua University, China
  • Received:2002-07-18 Revised:2003-04-03 Online:2003-07-16 Published:2005-03-16
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No 19975027), and the State Key Development Program for Basic Research of China (Grant No 001 CB 309308).

PDF (PC)

412

赞

摘要： We have proposed a model of periodic axial magnetized hollow tube for atom guidance (1999 Opt. Commun. 160 72－4). In the present paper, an analytic solution of the magnetic field inside the tube is obtained and the transport efficiency of the cold atoms in the magnetic tube at different tube intensities of magnetization is discussed. The effect of the curvature of magnetic tube on the atom transport efficiency is also considered. We have found that the tube has a cooling effect on the transverse temperature of the transported atoms.

Abstract: We have proposed a model of periodic axial magnetized hollow tube for atom guidance (1999 Opt. Commun. 160 72－4). In the present paper, an analytic solution of the magnetic field inside the tube is obtained and the transport efficiency of the cold atoms in the magnetic tube at different tube intensities of magnetization is discussed. The effect of the curvature of magnetic tube on the atom transport efficiency is also considered. We have found that the tube has a cooling effect on the transverse temperature of the transported atoms.

Key words: atomic waveguide, magnetic tube, atom transport efficiency, transverse temperature

中图分类号:  (Atom cooling methods)

  • 37.10.De