Autocorrelation functions and averages (over distributions) of dynamical variables, plus coarse grained entropy techniques are used to explore relaxation in two-degree-of-freedom (i.e., N=2) oscillator systems. The K entropy is shown to provide relaxation times for initial distributions modeling energy deposited in zero order modes as well as delay times for initially localized distributions.
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Hamilton et al. (1983) studied this question.
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