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首页> 外文期刊>Superconductor Science & Technology >Systematic study on the tunneling conductance in a normal-metal/p(x+y) +/- ip(y-x)-wave superconductor junction
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Systematic study on the tunneling conductance in a normal-metal/p(x+y) +/- ip(y-x)-wave superconductor junction

机译:正常金属/ p(x + y)+/- ip(y-x)-波超导体结中隧穿电导的系统研究

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摘要

The chiral p(x+y) +/- ip(y-x)-wave state is currently considered to be a promising candidate state for Sr2RuO4 in the light of microscopic theories. We theoretically investigate the tunneling conductance in a normal-metal/p(x+y) +/- ip(y-x)-wave superconductor junction over a wide range of temperature and barrier strength. For a cylindrical Fermi surface with the magnitude of the radius R, the p(x+y) +/- ip(y-x)-wave gap function exhibits two typical types of nodal structures when R = 1.0 and R = 1/root 2, respectively. It is found, in particular, that the line shapes of the conductance spectra for R approximate to 1/root 2 cases can qualitatively account for the existing in-plane tunneling experiments on Sr2RuO4.
机译:根据微观理论,手性p(x + y)+/- ip(y-x)-波态目前被认为是Sr2RuO4的有希望的候选态。我们从理论上研究了在宽温度和势垒强度范围内的正常金属/ p(x + y)+/- ip(y-x)波超导体结中的隧穿电导。对于半径为R的圆柱费米曲面,当R = 1.0和R = 1 /根2时,p(x + y)+/- ip(yx)波隙函数表现出两种典型的节点结构。分别。特别地,发现R的电导谱的线形近似于1 /根2的情况可以定性地解释Sr2RuO4上现有的平面内隧道实验。

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