4.6 Article

A one-dimensional hard-point gas and thermoelectric efficiency

Publisher

IOP PUBLISHING LTD
DOI: 10.1088/1742-5468/2009/03/L03004

Keywords

transport processes/heat transfer (theory); dynamical processes (theory)

Funding

  1. National Natural Science Foundation of China [10874243]
  2. Renmin University of China

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We study heat and particle transport in a classical disordered, one-dimensional, hard-point gas model. We provide convincing numerical evidence that the figure of merit ZT diverges as a power law with the average particle number in the chain. This quite surprising result appears to be related to the ergodic and mixing properties of the system and it is independent of the mass ratio.

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