Nonlinear dynamics and emergent statistical regularity in classical Lennard-Jones three-body system upon disturbance
arXiv:2312.05186 · doi:10.1140/epjb/s10051-023-00626-8
Abstract
Understanding the deep connection of microscopic dynamics and statistical regularity yields insights into the foundation of statistical mechanics. In this work, based on the classical three-body system under the Lennard-Jones potential upon disturbance, we illustrated the elusive nonlinear dynamics in terms of the neat frequency-mixing processes, and revealed the emergent statistical regularity in speed distribution along a single particle trajectory. This work demonstrates the promising possibility of classical few-body models for exploring the fundamental questions on the interface of microscopic dynamics and statistical physics.
arXiv comment7 pages, 4 figures. The SI file is available at: https://ins.sjtu.edu.cn/people/zyao/
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