http://www.cnr.it/ontology/cnr/individuo/prodotto/ID3417

Increasing thermoelectric efficiency: A dynamical systems approach (Articolo in rivista)

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Increasing thermoelectric efficiency: A dynamical systems approach (Articolo in rivista) (literal)

Anno

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Casati, G; Mejia-Monasterio, C; Prosen, T (2008)
Increasing thermoelectric efficiency: A dynamical systems approach
in Physical review letters (Print)
(literal)

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\"[Casati, Giulio] Univ Insubria, Ctr Nonlinear & Complex Syst, Como, Italy; [Casati, Giulio] CNR INFM, Milan, Italy; [Casati, Giulio] Ist Nazl Fis Nucl, Sezione Milano, I-20133 Milan, Italy; [Mejia-Monasterio, Carlos] Univ Geneva, Dept Phys Theor, CH-1211 Geneva, Switzerland; [Prosen, Tomaz] Univ Ljubljana, Dept Phys, Fac Math & Phys, Ljubljana 61000, Slovenia (literal)

Titolo

Abstract

Inspired by the kinetic theory of ergodic gases and chaotic billiards, we propose a simple microscopic mechanism for the increase of thermoelectric efficiency. We consider the cross transport of particles and energy in open classical ergodic billiards. We show that, in the linear response regime, where we find exact expressions for all transport coefficients, the thermoelectric efficiency of ideal ergodic gases can approach the Carnot efficiency for sufficiently complex charge carrier molecules. Our results are clearly demonstrated with a simple numerical simulation of a Lorentz gas of particles with internal rotational degrees of freedom. (literal)

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