Coexistence of Ferromagnetism and Superconductivity

DIPC Seminars

Prof. Alexander Buzdin, University Bordeaux I, France
Donostia International Physics Center (DIPC).Paseo Manuel de Lardizabal, 4 (nearby the Facultad de Quimica), Donostia
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Coexistence of Ferromagnetism and Superconductivity Alexander Buzdin Condensed Matter Theory Group, University Bordeaux I, 33405 Talence, France also at Institut Universitaire de France, Paris, France We review the main mechanisms of the interplay between magnetism and superconductivity and discuss first for the properties of the bulk magnetic superconductors. In the case of ferromagnetism, its antagonism with superconductivity leads to spectacular effects such as a re-entrant superconductivity and the domain magnetic structure formation. We also discuss the particularities of the proximity effect in superconductor-ferromagnet heterostructures: the damped oscillatory behaviour of the Cooper pair wave function and the conditions for the novel Pi-Josephson junctions formation, which open an interesting perspective for the potential applications of these structures.