Journal
PHYSICAL REVIEW B
Volume 85, Issue 20, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.85.205301
Keywords
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Funding
- project NANOPOWER [256959]
- NSF [DMR-0844899]
- University of Geneva
- CSIC
- FSE JAE-Doc
- ITN [234970]
- [MAT2011-24331]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [0844899] Funding Source: National Science Foundation
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We investigate the rectification of thermal fluctuations in amesoscopic on-chip heat engine. The engine consists of a hot chaotic cavity capacitively coupled to a cold cavity which rectifies the excess noise and generates a directed current. The fluctuation-induced directed current depends on the energy asymmetry of the transmissions of the contacts of the cold cavity to the leads and is proportional to the temperature difference. We discuss the channel dependence of the maximal power output of the heat engine and its efficiency.
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