Theory of single-electron heat engines coupled to electromagnetic environments

Details Theory of single-electron heat engines coupled to electromagnetic environments Theory of single-electron heat engines coupled to electromagnetic environments

2012-02-17

arxiv.org/abs/1202.3911v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

9 pages, 3 figures

Scientific paper

We introduce a new class of mesoscopic heat engines consisting of a tunnel junction coupled to a linear thermal bath. Work is produced by transporting electrons up against a voltage bias like in ordinary thermoelectrics but heat is transferred by microwave photons, allowing the heat bath to be widely separated from the electron system. A simple and generic formalism capable of treating a variety of different types of junctions and environments is presented. We identify the systems and conditions required for maximal efficiency and maximal power. Very high figures of merit and efficiencies above the Curzon-Ahlborn limit are achievable.

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