Theory of tunneling spectroscopy in superconducting Sr2RuO4

Abstract

A theory for tunneling spectroscopy in normal metal /insulator/triplet superconductor junction is presented. We assume two kinds of non-unitary triplet superconducting states which are the most promising states for Sr${}_2$RuO${}_4$. The calculated conductance spectra showzero-bias peaks as well as gap structures. The existences of residual components in the spectra reflect the non-unitary properties of superconducting states.

5pages, 4figures(included), to be published in Phys.Rev.B 56, (1997)

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