Leading Pollicott-Ruelle Resonances for Chaotic Area-Preserving Maps

Details Leading Pollicott-Ruelle Resonances for Chaotic Area-Preserving Maps Leading Pollicott-Ruelle Resonances for Chaotic Area-Preserving Maps

2007-10-25

arxiv.org/abs/0710.4779v3

Phys. Rev. E 77, 027201 (2008)

Nonlinear Sciences

Chaotic Dynamics

6 pages, 1 figure. See also: R. Venegeroles, Phys. Rev. Lett. 99, 014101 (2007) or arXiv:nlin/0608067v2

Scientific paper

10.1103/PhysRevE.77.027201

Recent investigations in nonlinear sciences show that not only hyperbolic but also mixed dynamical systems may exhibit exponential relaxation in the chaotic regime. The relaxation rates, which lead the decay of probability distributions and correlation functions, are related to the classical evolution resolvent (Perron-Frobenius operator) pole logarithm, the so called Pollicott-Ruelle resonances. In this Brief Report, the leading Pollicott-Ruelle resonances are calculated analytically for a general class of area-preserving maps. Besides the leading resonances related to the diffusive modes of momentum dynamics (slow rate), we also calculate the leading faster rate, related to the angular correlations. The analytical results are compared to the existing results in the literature.

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