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郑志刚
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期刊论文
Ergodicity in hard-ball systems and Boltzmann's entropy
PHYSICAL REVIEW E, 1996, 53 (4): 3246～3252，-0001，（）：
The ergodic property of the hard-ball systems is investigated numerically by comparing the microcanonical single-particle distributions and the corresponding numerical results in two- and three-dimensional cases. A Boltzmann-entropy-like quantity H(nc) is defined and its evolution is discussed. The deviation of this entropy from the equilibrium value obeys a power decay law in the long time limit, and the origin of this tail is explored heuristically.
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