Upside/Downside statistical mechanics of nonequilibrium Brownian motion. II. Heat transfer and energy partitioning of a free particle

Upside/Downside statistical mechanics of nonequilibrium Brownian motion. II. Heat transfer and energy partitioning of a free particle

The energy partitioning during activation and relaxation events under steady-state conditions for a Brownian particle driven by multiple thermal reservoirs of different local temperatures is investigated. Specifically, we apply the formalism derived in Paper I [G. T. Craven and A. Nitzan, J. Chem. P...

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Veröffentlicht in:The Journal of chemical physics 2018-09, Vol.149 (10), p.104103-104103
Hauptverfasser: Craven, Galen T., Chen, Renai, Nitzan, Abraham
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Sprache:eng
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Activation energy
Brownian motion
Energy
Partitioning
Reservoirs
Statistical mechanics
Transport properties
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container_title The Journal of chemical physics
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creator Craven, Galen T.
Chen, Renai
Nitzan, Abraham
description The energy partitioning during activation and relaxation events under steady-state conditions for a Brownian particle driven by multiple thermal reservoirs of different local temperatures is investigated. Specifically, we apply the formalism derived in Paper I [G. T. Craven and A. Nitzan, J. Chem. Phys. 148, 044101 (2018)] to examine the thermal transport properties of two sub-ensembles of Brownian processes, distinguished at any given time by the specification that all the trajectories in each group have, at that time, energy either above (upside) or below (downside) a preselected energy threshold. Dynamical properties describing energy accumulation and release during activation/relaxation events and relations for upside/downside energy partitioning between thermal reservoirs are derived. The implications for heat transport induced by upside and downside events are discussed.
doi_str_mv 10.1063/1.5045361
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subjects Activation energy
Brownian motion
Energy
Partitioning
Reservoirs
Statistical mechanics
Transport properties
title Upside/Downside statistical mechanics of nonequilibrium Brownian motion. II. Heat transfer and energy partitioning of a free particle
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