Exact time-averaged thermal conductance for small systems: Comparison between direct calculation and Green-Kubo formalism

preprint2009arXivOpen access

Abstract

In this paper, we study exactly the thermal conductance for a low dimensional system represented by two coupled massive Brownian particles, both directly and via a Green-Kubo expression. Both approaches give exactly the same result. We also obtain exactly the steady state probability distribution for that system by means of time-averaging.

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