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The Influence of Disorder on Superconductivity
Author(s) -
Kleinert P.
Publication year - 1988
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221480130
Subject(s) - superconductivity , condensed matter physics , correlation function (quantum field theory) , function (biology) , physics , constant (computer programming) , transition temperature , correlation , character (mathematics) , statistical physics , materials science , quantum mechanics , mathematics , computer science , evolutionary biology , dielectric , biology , programming language , geometry
Using many‐particle Green's function techniques the influence of disorder on the transition temperature is investigated theoretically. Depending on the character of the pair‐correlation function of the random potential T c , can both, decrease and increase with increasing disorder. The theory is applied to a recently proposed BCS mechanism for high‐ T c , superconductivity. For a constant pair‐correlation function an additional increase of T c up to 3 K is obtained.