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タイトル: Mathematical understanding of detailed balance condition violation and its application to Langevin dynamics
その他のタイトル: STATPHYS-KOLKATA VIII
著者: Ohzeki, Masayuki
Ichiki, Akihisa
著者名の別形: 大関, 真之
キーワード: Physics and Astronomy(all)
発行日: 3-Sep-2015
出版者: Institute of Physics Publishing
誌名: Journal of Physics: Conference Series
巻: 638
論文番号: 012003
抄録: We develop an efficient sampling method by simulating Langevin dynamics with an artificial force rather than a natural force by using the gradient of the potential energy. The standard technique for sampling following the predetermined distribution such as the Gibbs- Boltzmann one is performed under the detailed balance condition. In the present study, we propose a modified Langevin dynamics violating the detailed balance condition on the transition- probability formulation. We confirm that the numerical implementation of the proposed method actually demonstrates two major beneficial improvements: acceleration of the relaxation to the predetermined distribution and reduction of the correlation time between two different realizations in the steady state.
著作権等: © Published under licence by IOP Publishing Ltd.
URI: http://hdl.handle.net/2433/218827
DOI(出版社版): 10.1088/1742-6596/638/1/012003
出現コレクション:学術雑誌掲載論文等

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