Suppressing fermi acceleration in a driven elliptical billiard

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2010-06-01

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Leonel, Edson D. [UNESP]
Bunimovich, Leonid A.

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We study dynamical properties of an ensemble of noninteracting particles in a time-dependent elliptical-like billiard. It was recently shown that for the nondissipative dynamics, the particle experiences unlimited energy growth. Here we show that inelastic collisions suppress Fermi acceleration in a driven elliptical-like billiard. This suppression is yet another indication that Fermi acceleration is not a structurally stable phenomenon. © 2010 The American Physical Society.

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Physical Review Letters, v. 104, n. 22, 2010.