Heat transport and electron cooling in ballistic normal-metal/spin-filter/superconductor junctions
Heat transport and electron cooling in ballistic normal-metal/spin-filter/superconductor junctions
复制标题
弹道普通金属/自旋过滤器/超导体结中的热传输和电子冷却
DOI：
10.1016/j.jmmm.2014.10.032
复制
发表时间：
2015
影响因子：
2.7
通讯作者：
and F. W. J. Hekking
中科院分区：
文献类型：
--
作者：
S. Kawabata;A. S. Vasenko;A. Ozaeta;F. S. Bergeret;and F. W. J. Hekking
我们研究电子冷却的基础上一个干净的正常金属/自旋过滤器/超导结。由于Andreev反射的自旋滤波器效应的抑制，该系统的冷却功率被发现是非常高于传统的正常金属/非磁性绝缘体/超导体冷却器。因此，我们可以从普通金属中提取大量的热量。我们的研究结果强烈表明自旋过滤器效应在冷却探测器、传感器和量子比特方面的实际用途。
We investigate electron cooling based on a clean normal-metal/spin-filter/superconductor junction. Due to the suppression of the Andreev reflection by the spin-filter effect, the cooling power of the system is found to be extremely higher than that for conventional normal-metal/nonmagnetic-insulator/superconductor coolers. Therefore we can extract large amount of heat from normal metals. Our results strongly indicate the practical usefulness of the spin-filter effect for cooling detectors, sensors, and quantum bits.