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Relativistic framework for microscopic theories of superconductivity. II. The Pauli equation for superconductors

K. Capelle, E. K. U. Gross

DOI 10.1103/PhysRevB.59.7155 · Physical Review B

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Abstract

It is shown that the interplay between relativity and coherence, found in superconductors with heavy elements, leads to a number of interesting and previously unknown effects. In particular, several types of spin-orbit coupling are shown to exist only in superconductors. Explicit expressions describing these effects are derived using a covariant formulation of the theory of superconductivity. It is demonstrated that relativistic effects can become relevant, e.g., in high-temperature and heavy-fermion superconductors, superconducting heterostructures, and rotating superconductors.

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