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Energetic motion of end-particles in constrained dynamical systems

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Title: Energetic motion of end-particles in constrained dynamical systems
Authors: Konishi, Tetsuro Browse this author
Yanagita, Tatsuo Browse this author →KAKEN DB
Keywords: dynamical processes (theory)
dynamics (theory)
polymer elasticity and dynamics
molecular dynamics
Issue Date: Sep-2009
Publisher: IOP Publishing
Journal Title: Journal of Statistical Mechanics: Theory and Experiment
Volume: 2009
Start Page: L09001
Publisher DOI: 10.1088/1742-5468/2009/09/L09001
Abstract: We propose a planar chain system, which is a simple mechanical system with a constraint. It is composed of N masses connected by N - 1 light links. It can be considered as a model of a chain system, e.g., a polymer, in which each bond is replaced by a rigid link. The long time average of the kinetic energies of the masses in this model is numerically computed. It is found that the average kinetic energies of the masses are different and masses near the ends of the chain have large energies. We derive an approximate expression for the average kinetic energy, which is in qualitative agreement with the numerical results.
Rights: ©2009 IOP Publishing Ltd and SISSA. This is an author-created, un-copyedited version of an article accepted for publication in J. Stat. Mech. (2009) L09001. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The definitive publisher authenticated version is available online at
Type: article (author version)
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 柳田 達雄

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