Chin. Phys. Lett.  2008, Vol. 25 Issue (1): 89-92    DOI:
Original Articles |
Monte Carlo Simulation of Cooling Induced by Parametric Resonance
ZHANG Peng-Fei;ZHANG Hai-Chao;XU Xin-Ping;WANG Yu-Zhu
Key Laboratory for Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800Center for Cold Atom Physics, Chinese Academy of Sciences, Shanghai 201800
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ZHANG Peng-Fei, ZHANG Hai-Chao, XU Xin-Ping et al  2008 Chin. Phys. Lett. 25 89-92
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Abstract We demonstrate that the parametric resonance in a magnetic quadrupole
trap can be exploited to cool atoms by using Bird's method. In our programme the parametric resonance was realized by anisotropically modulating the trap potential. The modulation frequency dependences of temperature and fraction of the trapped atoms are explored. Furthermore, the temperature after the modulation as functions of the modulation amplitude and the mean elastic collision time are also studied. These results are valuable for the experiment of parametric resonance in a quadrupole trap.
Keywords: 32.80.Pj      39.25.+k     
Received: 04 September 2007      Published: 27 December 2007
PACS:  32.80.Pj  
  39.25.+k  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2008/V25/I1/089
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Articles by authors
ZHANG Peng-Fei
ZHANG Hai-Chao
XU Xin-Ping
WANG Yu-Zhu
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