Laube, F , Goll, G , Eschrig, Matthias, Fogelstrom, M and Werner, R (2004) Excess current in superconducting Sr2RuO4. Physical Review B, 69 (1).
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We present results from point-contact measurements on Sr2RuO4 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.
This is a Submitted version This version's date is: 29/1/2004 This item is not peer reviewed
https://repository.royalholloway.ac.uk/items/7e5c7425-28d5-880c-2dea-700b551a1916/7/
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