Publicação: Dynamical and statistical properties of a rotating oval billiard
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2014-06-01
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Elsevier B.V.
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Some dynamical and statistical properties of a time-dependent rotating oval billiard are studied. We considered cases with (i) positive and (ii) negative curvature for the boundary. For (i) we show the system does not present unlimited energy growth. For case (ii) however the average velocity for an ensemble of noninteracting particles grows as a power law with acceleration exponent well defined. Finally, we show for both cases that after introducing time-dependent perturbation, the mixed structure of the phase space observed for static case is recovered by making a suitable transformation in the angular position of the particle. (C) 2013 Elsevier B.V. All rights reserved.
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Inglês
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Communications In Nonlinear Science And Numerical Simulation. Amsterdam: Elsevier Science Bv, v. 19, n. 6, p. 1926-1934, 2014.
