Microwave quantum refrigeration based on the Josephson effect

被引：34

作者：

Solinas, Paolo ^{[1
]}

Bosisio, Riccardo ^{[1
,2
,3
]}

Giazotto, Francesco ^{[2
,3
]}

机构：

[1] SPIN CNR, Via Dodecaneso 33, I-16146 Genoa, Italy

[2] Inst Nanosci CNR, NEST, I-56127 Pisa, Italy

[3] Scuola Normale Super Pisa, I-56127 Pisa, Italy

来源：

PHYSICAL REVIEW B | 2016年 / 93卷 / 22期

基金：

欧洲研究理事会;

关键词：

THERMAL TRANSPORT; SUPERCONDUCTOR; CONDUCTANCE; JUNCTIONS;

D O I：

10.1103/PhysRevB.93.224521

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present a microwave quantum refrigeration principle based on the Josephson effect. When a superconducting quantum interference device (SQUID) is pierced by a time-dependent magnetic flux, it induces changes in the macroscopic quantum phase and an effective finite bias voltage appears across the SQUID. This voltage can be used to actively cool, well below the lattice temperature, one of the superconducting electrodes forming the interferometer. The achievable cooling performance combined with the simplicity and scalability intrinsic to the structure pave the way to a number of applications in quantum technology.

引用

页数：6

共 45 条

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