Quasiclassical theory of superconductivity near magnetically active interfaces

Author(s): A. Millis, D. Rainer and J. A. Sauls
Comments: 12 Journal pages
Journal-ref: Phys. Rev. B 38, 4504 (1988)

We derive boundary conditions that connect the quasiclassical propagators for superconducting metals across magnetically active interfaces. These boundary conditions, combined with the quasi-classical transport theory, determine the structure of the perturbed superconductivity near such an interface, and are essential for a quantitative theory of Josephson tunneling and proximity effects between heavy-fermion superconductors and inhomogeneous structures composed of magnetic and superconducting materials. We discuss some qualitative features of Josephson tunneling between conventional and unconventional superconductors.

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