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arxiv: chao-dyn/9905007 · v2 · submitted 1999-05-06 · chao-dyn · nlin.CD· nucl-th

Collective and chaotic motion in self-bound many-body systems

classification chao-dyn nlin.CDnucl-th
keywords collectivedampingmotionsystemchaoticequilibrationself-boundchaos
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We investigate the interplay of collective and chaotic motion in a classical self-bound N-body system with two-body interactions. This system displays a hierarchy of three well separated time scales that govern the onset of chaos, damping of collective motion and equilibration. Comparison with a mean-field problem shows that damping is mainly due to dephasing. The Lyapunov exponent, damping and equilibration rates depend mildly on the system size N.

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