作者: Hidetoshi Morita , Kunihiko Kaneko
DOI: 10.1103/PHYSREVLETT.96.050602
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摘要: Oscillation of macroscopic variables is discovered in a metastable state the Hamiltonian system mean-field model. The duration oscillation divergent with size. This long-lasting periodic or quasiperiodic collective motion appears through Hopf bifurcation, which typical route low-dimensional dissipative dynamical systems. origin explained, self-consistent analysis distribution function, as self-organization self-excited swing mean field. universality phenomena discussed.