Bottleneck in Energy Relaxation and its Self‐Organization
作者:
Hidetoshi Morita,
Kunihiko Kaneko,
期刊:
AIP Conference Proceedings
(AIP Available online 1904)
卷期:
Volume 708,
issue 1
页码: 757-758
ISSN:0094-243X
年代: 1904
DOI:10.1063/1.1764292
出版商: AIP
数据来源: AIP
摘要:
We study an energy relaxation process after many degrees of freedom are excited in a Hamiltonian system with a large number of degrees of freedom. Bottlenecks of relaxation, where the relaxation of the excited elements is drastically slowed down, are discovered. By defining an internal state for the excited degrees of freedom, it is shown that the drastic slowing down occurs when the internal state is in a critical state. The relaxation dynamics brings the internal state into the critical state, and the critical bottleneck of relaxation is self‐organized. © 2004 American Institute of Physics
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