Van Hove Singularity and Superconductivity in Disordered Sr2RuO4

Details Van Hove Singularity and Superconductivity in Disordered Sr2RuO4 Van Hove Singularity and Superconductivity in Disordered Sr2RuO4

1999-06-24

arxiv.org/abs/cond-mat/9906372v1

Physics

Condensed Matter

7 pages, 3 figures, to appear in Acta Physica Polonica A

Scientific paper

On the basis of a simple model we analyse the influence of disorder on critical temperature T_C in p-wave superconductors. The disorder is treated by means of the Coherent Potential Approximation (CPA) and we focus our attention on the effect of a van Hove singularity near Fermi energy E_F. For the appropriate values of its parameters our model reproduces the experimentally found behaviour of Sr2RuO4.

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