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Barrier interface scattering effect on DC Josephson current in d-wave superconductor/d-wave superconductor junctions
Pages: 58-62
Year: Issue:  4
Journal: Journal of Suzhou University Natural Science Edition

Keyword:  dS/I/dS结d波超导体Josephson电流;
Abstract: 在d波超导体/绝缘层/d波超导体(dS/I/dS)中,考虑到结界面势垒散射,运用Bogoliubov-de Gennes(BdG)方程和推广的Furusaki-Tsukada(FT)电流公式,计算了超导结中准粒子的传输系数和直流Josephson电流.研究结果表明:dS/I/dS结中的Josephson电流随着温度的变化曲线强烈依赖于d波超导体的晶轴方位,并且结界面处的势垒散射始终对Andreev反射有抑制作用.
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