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Spin Resonance and Magnetic Order in an Unconventional Superconductor.
Mazzone, D G; Raymond, S; Gavilano, J L; Steffens, P; Schneidewind, A; Lapertot, G; Kenzelmann, M.
Afiliación
  • Mazzone DG; Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institut, 5232 Villigen PSI, Switzerland.
  • Raymond S; Univ. Grenoble Alpes and CEA, INAC, MEM, F-38000 Grenoble, France.
  • Gavilano JL; Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institut, 5232 Villigen PSI, Switzerland.
  • Steffens P; Institut Laue-Langevin, 38042 Grenoble, France.
  • Schneidewind A; Jülich Center for Neutron Science JCNS, Forschungszentrum Jülich GmbH, Outstation at MLZ, D-85747 Garching, Germany.
  • Lapertot G; Univ. Grenoble Alpes and CEA, INAC, PHELIQS, F-38000 Grenoble, France.
  • Kenzelmann M; Laboratory for Scientific Developments and Novel Materials, Paul Scherrer Institut, 5232 Villigen PSI, Switzerland.
Phys Rev Lett ; 119(18): 187002, 2017 Nov 03.
Article en En | MEDLINE | ID: mdl-29219605
Unconventional superconductivity in many materials is believed to be mediated by magnetic fluctuations. It is an open question how magnetic order can emerge from a superconducting condensate and how it competes with the magnetic spin resonance in unconventional superconductors. Here we study a model d-wave superconductor that develops spin-density wave order, and find that the spin resonance is unaffected by the onset of static magnetic order. This result suggests a scenario, in which the resonance in Nd_{0.05}Ce_{0.95}CoIn_{5} is a longitudinal mode with fluctuating moments along the ordered magnetic moments.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2017 Tipo del documento: Article País de afiliación: Suiza Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2017 Tipo del documento: Article País de afiliación: Suiza Pais de publicación: Estados Unidos