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Patrick Potts

Postdoctoral fellow

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Quantum heat engines based on electronic Mach-Zehnder interferometers

Author

  • Patrick P. Hofer
  • Björn Sothmann

Summary, in 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.

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

Status

Published

ISBN/ISSN/Other

  • ISSN: 1098-0121