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Magnetic-field-induced pattern of coexisting condensates in the superconducting state of CeCoIn5
Department of Physics, National Technical University of Athens, GR-15780 Athens, Greece.
2010 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, P, Vol. 104, no 21, 216403- p.Article in journal, Letter (Refereed) Published
Abstract [en]

CeCoIn5 is an anomalous superconductor which exhibits a high-magnetic-field phase that consists of a modulated magnetic coupling together with persistent superconducting order. Here we use a generic microscopic model to argue that this state is a pattern of coexisting condensates: a d-wave singlet superconducting (SC) state, a staggered π-triplet SC state, and a spin density wave (SDW). Our microscopic picture allows a calculation of the phase diagram, and physical consequences including NMR. We interpret the appearance of the SDW order in the Q phase as being induced by odd-triplet pairing.

Place, publisher, year, edition, pages
2010. Vol. 104, no 21, 216403- p.
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-220668DOI: 10.1103/PhysRevLett.104.216403PubMedID: 20867122OAI: oai:DiVA.org:uu-220668DiVA: diva2:706099
Available from: 2014-03-18 Created: 2014-03-18 Last updated: 2017-11-02

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Aperis, Alexandros

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