Excess current in superconducting SrRuO
arXiv:cond-mat/0301221 · doi:10.1103/PhysRevB.69.014516
Abstract
We present results from point-contact measurements on SrRuO that show a linear dependence of the excess current as a function of temperature and applied magnetic fields over a surprisingly wide range of the phase diagram. We propose an explanation of this finding in terms of a p-wave triplet-pairing state with coupling to a low-energy fluctuation mode. Within this model we obtain a quantitative description of the temperature dependence of the excess current. The impact of surface effects on order parameter and excess current is addressed.
arXiv comment4 pages REVTeX, 3 figures; Using a modified p-wave model are able to reproduce the linear temperature dependence of the excess current. This is discussed in a new paragraph
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