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The Langevin dynamics approach to generate solid interaction system

Deng Qi-Min Zou Ya-Zhong Bao Jing-Dong

The Langevin dynamics approach to generate solid interaction system

Deng Qi-Min, Zou Ya-Zhong, Bao Jing-Dong
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  • Abstract views:  1351
  • PDF Downloads:  333
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Publishing process
  • Received Date:  03 March 2014
  • Accepted Date:  08 May 2014
  • Published Online:  05 September 2014

The Langevin dynamics approach to generate solid interaction system

  • 1. Department of Physics, Beijing Normal University, Beijing 100875, China
Fund Project:  Project supported by the National Natural Science Foundation of China (Grant No.11175021), and the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No.20120003110025).

Abstract: We have studied two probability potentials of a collinear oscillator atom chain and developed a Langevin dynamics approach for calculation. In the case of the harmonic chains, results of the Monte Carlo simulations are compared with the analytical solutions to verify the validity of this approach. In the case of 4-times coupled oscillator chains, the results of numerical simulations are used to the calculation of Hamiltonian. Then the system's energy distribution and the Maxwell-Boltzmann distribution are compared, and found to be in agreement with each other.

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