A microscopic mechanism for increasing thermoelectric efficiency

Giuliano Benenti; Giulio Casati; Keiji Saito

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A microscopic mechanism for increasing thermoelectric efficiency

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arxiv 1005.4744 v1 pith:7F5YLWVJ submitted 2010-05-26 cond-mat.stat-mech nlin.CD

Keiji Saito , Giuliano Benenti , Giulio Casati This is my paper

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keywords mechanismmicroscopicparticlesystemthermoelectricvelocitybroadcharacterized

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We study the coupled particle and energy transport in a prototype model of interacting one-dimensional system: the disordered hard-point gas, for which numerical data suggest that the thermoelectric figure of merit ZT diverges with the system size. This result is explained in terms of a microscopic mechanism, namely the local equilibrium is characterized by the emergence of a broad stationary "modified Maxwell-Boltzmann velocity distribution", of width much larger than the mean velocity of the particle flow.

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