Suppressing Fermi Acceleration in a Driven Elliptical Billiard
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Data
2010-06-01
Autores
Leonel, Edson Denis [UNESP]
Bunimovich, Leonid A.
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Amer Physical Soc
Resumo
We study dynamical properties of an ensemble of noninteracting particles in a time-dependent elliptical-like billiard. It was recently shown [Phys. Rev. Lett. 100, 014103 (2008)] that for the non-dissipative 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.
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Physical Review Letters. College Pk: Amer Physical Soc, v. 104, n. 22, p. 4, 2010.