Thermalization in open classical systems with finite heat baths

S. T. Smith and R. Onofrio ()

The European Physical Journal B: Condensed Matter and Complex Systems, 2008, vol. 61, issue 3, 271-275

Abstract: 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. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2008

Keywords: 05.40.Jc Brownian motion; 05.70.Ln Nonequilibrium and irreversible thermodynamics; 62.25.-g Mechanical properties of nanoscale systems; 83.10.Rs Computer simulation of molecular and particle dynamics (search for similar items in EconPapers)
Date: 2008
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DOI: 10.1140/epjb/e2008-00070-8

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