Collective motion in a Hamiltonian dynamical system

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dc.creatorMorita, Hidetoshi
dc.creatorKaneko, Kunihiko
dc.date2005-06-11
dc.date.accessioned2026-07-07T03:05:34Z
dc.date.available2026-07-07T03:05:34Z
dc.descriptionOscillation of macroscopic variables is discovered in a metastable state in the Hamiltonian dynamical system of mean field XY model, the duration of which is divergent with the system size. This long-lasting periodic or quasiperiodic collective motion appears through Hopf bifurcation, which is a typical route in low-dimensional dissipative dynamical systems. The origin of the oscillation is explained, with self-consistent analysis of the distribution function, as the emergence of self-excited ``swings'' through the mean-field. The universality of the phenomena is also discussed.
dc.description4 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0506261
dc.identifierhttp://arxiv.org/abs/cond-mat/0506261
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/26494
dc.subjectStatistical Mechanics
dc.subjectChaotic Dynamics
dc.titleCollective motion in a Hamiltonian dynamical system
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