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Optimal energy quanta to current conversion
Open accessAbstract
We present a microscopic discussion of a nano-sized structure which uses the quantization of energy levels and the physics of single charge Coulomb interaction to achieve an optimal conversion of heat flow to directed current. In our structure the quantization of energy levels and the Coulomb blockade lead to the transfer of quantized packets of energy from a hot source into an electric conductor to which it is capacitively coupled. The fluctuation-generated transfer of a single energy quantum translates into the directed motion of a single electron. Thus in our structure the ratio of the charge current to the heat current is determined by the ratio of the charge quantum to the energy quantum. An important novel aspect of our approach is that the direction of energy flow and the direction of electron motion are decoupled.
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Citations
Cited by
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Seifert, U. (2012) · Reports on Progress in Physics · doi:10.1088/0034-4885/75/12/126001 · Cited by 3,300
Fundamental aspects of steady-state conversion of heat to work at the nanoscale
Benenti, G., Casati, G., Saito, K., & Whitney, R. S. (2017) · Physics Reports · doi:10.1016/j.physrep.2017.05.008 · Cited by 664
Most Efficient Quantum Thermoelectric at Finite Power Output
Whitney, R. S. (2014) · Physical Review Letters · doi:10.1103/physrevlett.112.130601 · Cited by 314
Three-terminal energy harvester with coupled quantum dots
Thierschmann, H., Sánchez, R., Sothmann, B., Arnold, F., Heyn, C., Hansen, W., Buhmann, H., & Molenkamp, L. W. (2015) · Nature Nanotechnology · doi:10.1038/nnano.2015.176 · Cited by 263
Self-citationQuantum heat engine based on photon-assisted Cooper pair tunneling
Hofer, P. P., Souquet, J.-R., & Clerk, A. A. (2016) · Physical Review B · doi:10.1103/physrevb.93.041418 · Cited by 109
Metadata
- Authors
- Sánchez, R., & Büttiker, M.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2011-02-28
- Volume
- 83
- Issue
- 8
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W1988665802
- Cited by
- 295
- References
- 0
- FWCI
- 14.69
- Type
- journal article
- Language
- en
- Open access
- green
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