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Domain Meissner state and spontaneous vortex-antivortex generation in the ferromagnetic superconductor EuFe 2 (As 0.79 P 0.21 ) 2

hal.structure.identifierMoscow Institute of Physics and Technology [Moscow] [MIPT]
hal.structure.identifierOsipyan Institute of Solid State Physics [ISSP]
dc.contributor.authorSTOLYAROV, Vasily
hal.structure.identifierMoscow Institute of Physics and Technology [Moscow] [MIPT]
dc.contributor.authorVESHCHUNOV, Ivan
hal.structure.identifierMoscow Institute of Physics and Technology [Moscow] [MIPT]
dc.contributor.authorGREBENCHUK, Sergey
hal.structure.identifierLaboratoire de Physique et d'Etude des Matériaux (UMR 8213) [LPEM]
hal.structure.identifierMoscow Institute of Physics and Technology [Moscow] [MIPT]
dc.contributor.authorBARANOV, Denis
hal.structure.identifierMoscow Institute of Physics and Technology [Moscow] [MIPT]
dc.contributor.authorGOLOVCHANSKIY, Igor
hal.structure.identifierMoscow Institute of Physics and Technology [Moscow] [MIPT]
dc.contributor.authorSHISHKIN, Andrey
dc.contributor.authorZHOU, Nan
dc.contributor.authorSHI, Zhixiang
dc.contributor.authorXU, Xiaofeng
dc.contributor.authorPYON, Sunseng
dc.contributor.authorSUN, Yue
dc.contributor.authorJIAO, Wenhe
dc.contributor.authorCAO, Guang-Han
dc.contributor.authorVINNIKOV, Lev
hal.structure.identifierMoscow Institute of Physics and Technology [Moscow] [MIPT]
dc.contributor.authorGOLUBOV, Alexander
hal.structure.identifierDepartment of Applied Physics, The University of Tokyo
dc.contributor.authorTAMEGAI, Tsuyoshi
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorBUZDIN, Alexandre I.
hal.structure.identifierLaboratoire de Physique et d'Etude des Matériaux (UMR 8213) [LPEM]
dc.contributor.authorRODITCHEV, Dimitri
dc.date.created2018-01-24
dc.date.issued2018
dc.identifier.issn2375-2548
dc.description.abstractEnThe interplay between superconductivity and magnetism is one of the oldest enigmas in physics. Usually, the strong exchange field of ferromagnet suppresses singlet superconductivity via the paramagnetic effect. In EuFe 2 (As 0.79 P 0.21) 2 , a material that becomes not only superconducting at 24.2 K but also ferromagnetic below 19 K, the coexistence of the two antagonistic phenomena becomes possible because of the unusually weak exchange field produced by the Eu subsystem. We demonstrate experimentally and theoretically that when the ferromagnetism adds to superconductivity, the Meissner state becomes spontaneously inhomogeneous, characterized by a nanometer-scale striped domain structure. At yet lower temperature and without any externally applied magnetic field, the system locally generates quantum vortex-antivortex pairs and undergoes a phase transition into a domain vortex-antivortex state characterized by much larger domains and peculiar Turing-like patterns. We develop a quantitative theory of this phenomenon and put forth a new way to realize superconduct-ing superlattices and control the vortex motion in ferromagnetic superconductors by tuning magnetic domains— unprecedented opportunity to consider for advanced superconducting hybrids.
dc.description.sponsorshipImpuretés magnétiques dans les supraconducteurs: de l'atome au réseau d'impuretés
dc.description.sponsorshipControl de courants supraconducteurs via des effets de spin et de champ: fondements pour une électronique non conventionnelle
dc.language.isoen
dc.publisherAmerican Association for the Advancement of Science (AAAS)
dc.rights.urihttp://creativecommons.org/licenses/by-nc/
dc.title.enDomain Meissner state and spontaneous vortex-antivortex generation in the ferromagnetic superconductor EuFe 2 (As 0.79 P 0.21 ) 2
dc.typeArticle de revue
dc.identifier.doi10.1126/sciadv.aat1061
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Supraconductivité [cond-mat.supr-con]
bordeaux.journalScience Advances
bordeaux.pageeaat1061
bordeaux.volume4
bordeaux.issue7
bordeaux.peerReviewedoui
hal.identifierhal-01859202
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01859202v1
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