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Type: Artigo de periódico
Title: Energy transfer dynamics and thermalization of two oscillators interacting via chaos
Author: Marchiori, MA
Fariello, R
de Aguiar, MAM
Abstract: We consider the classical dynamics of two particles moving in harmonic potential wells and interacting with the same external environment H-E, consisting of N noninteracting chaotic systems. The parameters are set so that when either particle is separately placed in contact with the environment, a dissipative behavior is observed. When both particles are simultaneously in contact with H-E an indirect coupling between them is observed only if the particles are in near-resonance. We study the equilibrium properties of the system considering ensemble averages for the case N = 1 and single trajectory dynamics for N large. In both cases, the particles and the environment reach an equilibrium configuration at long times, but only for large N can a temperature be assigned to the system.
Country: EUA
Editor: Amer Physical Soc
Citation: Physical Review E. Amer Physical Soc, v. 85, n. 4, 2012.
Rights: aberto
Identifier DOI: 10.1103/PhysRevE.85.041119
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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