The Langevin dynamics approach to generate solid interaction system | Zendy

Deng Qi-Min | Zendy; Zou Ya-Zhong | Zendy; Jing-Dong Bao | Zendy

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The Langevin dynamics approach to generate solid interaction system

Author(s) -

Deng Qi-Min,

Zou Ya-Zhong,

Jing-Dong Bao

Publication year - 2014

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.63.170502

Subject(s) - harmonic oscillator , statistical physics , monte carlo method , langevin dynamics , physics , hamiltonian (control theory) , langevin equation , probability distribution , chain (unit) , quantum mechanics , mathematics , mathematical optimization , statistics

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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