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Dependence of some electromagnetic properties of superconductors on coupling strength

F. Marsiglio, J. P. Carbotte, J. Blezius

DOI 10.1103/PhysRevB.41.6457 · Physical Review B

T1

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Abstract

We have calculated select electromagnetic properties for many real superconductors based on tunneling-derived electron-phonon spectral densities. We use this data to fit coefficients in semiphenomenological forms derived through a series of approximations to the exact microscopic expressions. It is found that the derived forms represent well the strong-coupling corrections.

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FormulaReported Tc (K)Pressure (GPa)Type
Pb

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—Pressure not reportedunknown
Sn

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Nb

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—Pressure not reportedunknown
Ga

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—Pressure not reportedunknown
Pb0.9Bi0.1

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—Pressure not reportedunknown
V3Si

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—Pressure not reportedunknown

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