Arrays of microscopic magnetic traps for cold atoms and their applications in atom optics
Yin Jian-Ping (印建平)ab, Gao Wei-Jian (高伟建)b, Hu Jian-Jun (胡建军)b
a Key Laboratory for Optical and Magnetic Resonance Spectroscopy and Department of Physics, East China Normal University, Shanghai 200062, China; b; Department of Physics, Suzhou University, Suzhou 215006, China
Abstract A single microscopic magnetic trap for neutral atoms using planar current-carrying wires was proposed and studied theoretically by Weinstein et al. In this paper, we propose three structures of composite current-carrying wires to provide 1D, 2D and 3D arrays of microscopic magnetic traps for cold alkali atoms. The spatial distributions of magnetic fields generated by these structures are calculated and the field gradient and curvature in each single microtrap are analysed. Our study shows that arrays of microscopic magnetic traps can be used to provide 1D, 2D or 3D atomic magnetic lattices, and even to realize 1D, 2D and 3D arrays of magneto-optical traps, and so on.
Received: 10 June 2001
Revised: 23 December 2001
Accepted manuscript online:
Fund: Project supported by the National Natural Science Foundations of China (Grant Nos 69878019 and 10174050), the Natural Science Foundation of Jiangsu Province, China (Grant No DK97139), and the Natural Science Foundation of Education Bureau of Jiangsu Provi
Cite this article:
Yin Jian-Ping (印建平), Gao Wei-Jian (高伟建), Hu Jian-Jun (胡建军) Arrays of microscopic magnetic traps for cold atoms and their applications in atom optics 2002 Chinese Physics 11 472
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