Conductance spectra of ferromagnetic superconductors: Quantum transport in a ferromagnetic metal/non-unitary ferromagnetic superconductor junction

J. Linder; M. S. Grønsleth; A. Sudbø

doi:10.1103/PhysRevB.75.054518

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Conductance spectra of ferromagnetic superconductors: Quantum transport in a ferromagnetic metal/non-unitary ferromagnetic superconductor junction

J. Linder, M. S. Grønsleth, A. Sudbø

DOI 10.1103/PhysRevB.75.054518 · Physical Review B

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Abstract

Recent findings of superconductors that simultaneously exhibit multiple spontaneously broken symmetries, such as ferromagnetic order or lack of an inversion center and even combinations of such broken symmetries, have led to much theoretical and experimental research. We consider quantum transport in a junction consisting of a ferromagnetic metal and a non-unitary ferromagnetic superconductor. It is shown that the conductance spectra provide detailed information about the superconducting gaps, and are thus helpful in determining the pairing symmetry of the Cooper pairs in ferromagnetic superconductors.