Josephson current and Andreev states in superconductor-half metal-superconductor heterostructures

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dc.creatorGalaktionov, Artem V.
dc.creatorKalenkov, Mikhail S.
dc.creatorZaikin, Andrei D.
dc.date2007-11-30
dc.date2008-03-28
dc.date.accessioned2026-07-07T09:28:44Z
dc.date.available2026-07-07T09:28:44Z
dc.descriptionWe develop a detailed microscopic theory describing dc Josephson effect and Andreev bound states in superconducting junctions with a half-metal. In such systems the supercurrent is caused by triplet pairing states emerging due to spin-flip scattering at the interfaces between superconducting electrodes and the half-metal. For sufficiently clean metals we provide a detailed non-perturbative description of the Josephson current at arbitrary transmissions and spin-flip scattering parameters for both interfaces. Our analysis demonstrates that the behavior of both the Josephson current and Andreev bound states crucially depends on the strength of spin-flip scattering showing a rich variety of features which can be tested in future experiments.
dc.description12 pages, 7 figures; version published in Phys. Rev. B
dc.identifierhttps://arxiv.org/abs/0711.4955
dc.identifierhttp://arxiv.org/abs/0711.4955
dc.identifierPhys. Rev. B 77, 094520 (2008)
dc.identifierdoi:10.1103/PhysRevB.77.094520
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/157530
dc.subjectSuperconductivity
dc.titleJosephson current and Andreev states in superconductor-half metal-superconductor heterostructures
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