Theory of the Josephson effect in a superconductor/one-dimensional electron gas/superconductor junction

被引:47
作者
Tanaka, Y [1 ]
Hirai, T
Kusakabe, K
Kashiwaya, S
机构
[1] Nagoya Univ, Dept Appl Phys, Nagoya, Aichi 4648603, Japan
[2] Niigata Univ, Grad Sch Sci & Technol, Ikarashi, Niigata 9502181, Japan
[3] Electrotech Lab, Tsukuba, Ibaraki 3058568, Japan
来源
PHYSICAL REVIEW B | 1999年 / 60卷 / 09期
关键词
D O I
10.1103/PhysRevB.60.6308
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We present a theory for the Josephson effect in an unconventional superconductor/one-dimensional electron gas/unconventional superconductor (s/o/s) junction, where the Josephson current is carried by components injected perpendicular to the interface. When superconductors on both sides have triplet symmetries, the Josephson current is enhanced at low temperature due to the zero-energy states formed near the interface. Measuring Josephson current in this s/o/s junction, we can identify parity of the superconductor. [S0163-1829(99)10333-3].
引用
收藏
页码:6308 / 6311
页数:4
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