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      Critical temperature of an anisotropic superconductor containing both nonmagnetic and magnetic impurities

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          Abstract

          The combined effect of both nonmagnetic and magnetic impurities on the superconducting transition temperature is studied theoretically within the BCS model. An expression for the critical temperature as a function of potential and spin-flip scattering rates is derived for a two-dimensional superconductor with arbitrary in-plane anisotropy of the superconducting order parameter, ranging from isotropic s-wave to d-wave (or any pairing state with nonzero angular momentum) and including anisotropic s-wave and mixed (d+s)-wave as particular cases. This expression generalizes the well-known Abrikosov-Gor'kov formula for the critical temperature of impure superconductors. The effect of defects and impurities in high temperature superconductors is discussed.

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          Theory of dirty superconductors

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            Phase-sensitive tests of the symmetry of the pairing state in the high-temperature superconductors—Evidence fordx2−y2symmetry

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              Elastic and other associated properties of\({\mathrm{C}}_{60}\)

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                Author and article information

                Journal
                26 October 1998
                Article
                10.1103/PhysRevB.58.9468
                cond-mat/9810344
                e18edfc7-d516-4a3b-b44b-c14a21758bca
                History
                Custom metadata
                Physical Review B, Vol.58, pp.9468-9478 (1998)
                4 eps figures
                cond-mat.supr-con

                Condensed matter
                Condensed matter

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