Memoirs of the Faculty of Engineering, Okayama University
Published by Faculty of Enginerring, Okayama University

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Memoirs of the School of Engineering, Okayama University

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Molecular Dynamics of Yukawa System (Dust Plasma) with Deformable Periodic Boundary Conditions: Formulation

東辻 浩夫 Department of Electrical and Electronic Engineering
井上 嘉彦 Department of Electrical and Electronic Engineering
岸本 篤也 Department of Electrical and Electronic Engineering
東辻 千枝子 Department of Electrical and Electronic Engineering
奈良 重俊 Faculty ofIntegrated Arts and Sciences, Hiroshima University
抄録
Molecular dynamics of the Yukawa system, the system of particles interacting via the Yukawa or the screened Coulomb potential, are formulated for various statistical ensembles and external conditions. The Yukawa potential smoothly interpolates the long-range Coulomb and the short-range interactions by adjusting a single parameter, the screening length. In order to reduce the effect of boundaries, the periodic boundary conditions are imposed and the deformations of the fundamental vectors of periodicity are taken into account. Ewald-type expressions for interaction energy, force, and kinematic pressure are given explicitly.
ISSN
0475-0071
NCID
AA10699856
NAID