Superconductivity and random disorder in the zero-bandwidth limit
C. Wiecko, R. Allub
DOI 10.1103/PhysRevB.35.2041 · Physical Review B
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Abstract
The tight-binding diagonally disordered Anderson model for a normal metal with a mean-field-Bardeen-Cooper-Schrieffer (BCS) interaction term is solved within the approximation of zero kinetic-energy contribution. The solution with a uniform superconductivity order parameter seems to give good agreement with experimental data in amorphous materials.
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