Thermalization in open classical systems with finite heat baths

Details Thermalization in open classical systems with finite heat baths Thermalization in open classical systems with finite heat baths

2008-10-17

arxiv.org/abs/0810.3251v1

Eur. Phys. J. B 61, 271 (2008)

Physics

Condensed Matter

Statistical Mechanics

5 pages, 4 figures

Scientific paper

10.1140/epjb/e2008-00070-8

We discuss thermalization of a test particle schematized as a harmonic oscillator and coupled to a Boltzmann heat bath of finite size and with a finite bandwidth for the frequencies of its particles. We find that complete thermalization only occurs when the test particle frequency is within a certain range of the bath particle frequencies, and for a certain range of mass ratios between the test particle and the bath particles. These results have implications for the study of classical and quantum behaviour of high-frequency nanomechanical resonators.

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