Spatial Fluctuations of the Order Parameter in P-Wave Superconductors

Details Spatial Fluctuations of the Order Parameter in P-Wave Superconductors Spatial Fluctuations of the Order Parameter in P-Wave Superconductors

2001-12-28

arxiv.org/abs/cond-mat/0112485v1

Physics

Condensed Matter

Superconductivity

9 pages, 4 figures, (to appear in Int. J. Mod. Phys. B)

Scientific paper

The effect of nonmagnetic disorder on the pairing amplitude is studied by means of a perturbation method. Using an extended one band Hubbard model with an intersite attraction we analyze various solutions of p-wave pairing symmetry and discuss their instability calculating fluctuations of order parameter. The model is applied to describe the effect of disorder in Sr2RuO4. The results shows that the real solution with line nodes can be favoured by disorder.

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