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Quantum heat engines based on electronic Mach-Zehnder interferometers

Author:
  • Patrick P. Hofer
  • Björn Sothmann
Publishing year: 2015-05-11
Language: English
Publication/Series: Physical Review B - Condensed Matter and Materials Physics
Volume: 91
Issue: 19
Document type: Journal article
Publisher: American Physical Society

Abstract english

We theoretically investigate the thermoelectric properties of heat engines based on Mach-Zehnder interferometers. The energy dependence of the transmission amplitudes in such setups arises from a difference in the interferometer arm lengths. Any thermoelectric response is thus of purely quantum-mechanical origin. In addition to an experimentally established three-terminal setup, we also consider a two-terminal geometry as well as a four-terminal setup consisting of two interferometers. We find that Mach-Zehnder interferometers can be used as powerful and efficient heat engines which perform well under realistic conditions.

Other

Published
  • ISSN: 1098-0121
Portrait of Patrick Potts
E-mail: patrick [dot] potts [at] teorfys [dot] lu [dot] se

Postdoctoral fellow

Mathematical Physics

14

Postdoctoral fellow

NanoLund

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