Thermoelectric efficiency at maximum power in a quantum dot

We identify the operational conditions for maximum power of a nanothermoelectric engine consisting of a single quantum level embedded between two leads at different temperatures and chemical potentials. The corresponding thermodynamic efficiency agrees with the Curzon-Ahlborn expression up to quadra...

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Bibliographic Details
Published in:Europhysics letters 2009-03, Vol.85 (6), p.60010
Main Authors: Esposito, M, Lindenberg, K, Van den Broeck, C
Format: Article
Language:English
Subjects:
05.40.-a
05.70.-a
05.70.Ln
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Summary:We identify the operational conditions for maximum power of a nanothermoelectric engine consisting of a single quantum level embedded between two leads at different temperatures and chemical potentials. The corresponding thermodynamic efficiency agrees with the Curzon-Ahlborn expression up to quadratic terms in the gradients, supporting the thesis of universality beyond linear response.
ISSN:0295-5075
1286-4854
DOI:10.1209/0295-5075/85/60010