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Simulations using Monte Carlo method and expriment on dynamics of two-dimensional collimated thermal atomic beam of strontium

Cong Dong-Liang Xu Peng Wang Ye-Bing Chang Hong

Simulations using Monte Carlo method and expriment on dynamics of two-dimensional collimated thermal atomic beam of strontium

Cong Dong-Liang, Xu Peng, Wang Ye-Bing, Chang Hong
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  • Received Date:  07 April 2013
  • Accepted Date:  23 April 2013
  • Published Online:  05 August 2013

Simulations using Monte Carlo method and expriment on dynamics of two-dimensional collimated thermal atomic beam of strontium

  • 1. National Time Service Center, Chinese Academy of Sciences, Key Laboratory of Time and Frequency Primary Standards of Chinese Academy of Sciences, Xi’an 710600, China;
  • 2. University of Chinese Academy of Sciences, Beijing 100049, China
Fund Project:  Project supported by the National Natural Science Foundation of China (Grant Nos. 11074252, 61127901), and the Key projects of Chinese Academy of Sciences (Grant No. Y218YB2101).

Abstract: Considering the stochastic factors and using Monte Carlo method, we have studied the dynamics of two-dimensional (2D) collimated thermal atomic beam of strontium theoretically. Taking into account transverse divergence, initial position of each atom, longitudinal velocity distribution, and isotopes, we show the theoretical transverse distribution and the results of the Monte Carlo method as functions of detuning and power of laser, respectively. The theoretical results agree excellently with the experimental data, showing that the Monte Carlo method has precisely described the dynamics of 2D collimated thermal atomic beam of strontium. The method can provide an analytical tool for precisely controlling the 2D collimated thermal atomic beam and optimizing the atomic clock system.

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