期刊
PHYSICAL REVIEW B
卷 94, 期 23, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.94.235420
关键词
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资金
- Swiss National Science Foundation
- QSIT
- Austrian Science Fund (FWF) through the START project [Y879-N27]
- Swiss National Science Foundation [AMBIZIONE Z00P2-161351]
- Spanish MINECO [FIS2013-40627-P, FOQUS FIS2013-46768-P, SEV-2015-0522, FPU13/05988]
- Fundacion Cellex
- Generalitat de Catalunya [SGR875]
- EU COST Action MP1209 Thermodynamics in the quantum regime
An implementation of a small quantum absorption refrigerator in a circuit QED architecture is proposed. The setup consists of three harmonic oscillators coupled to a Josephson junction. The refrigerator is autonomous in the sense that it does not require any external control for cooling, but only thermal contact between the oscillators and heat baths at different temperatures. In addition, the setup features a built-in switch, which allows the cooling to be turned on and off. If timing control is available, this enables the possibility for coherence-enhanced cooling. Finally, we show that significant cooling can be achieved with experimentally realistic parameters and that our setup should be within reach of current technology.
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