Conventional s-wave pairing in the presence of spin fluctuations in superconducting Mo<sub>3</sub>Sb<sub>7</sub> from specific heat measurements - CNRS - Centre national de la recherche scientifique Accéder directement au contenu
Article Dans Une Revue Physical Review B Année : 2008

Conventional s-wave pairing in the presence of spin fluctuations in superconducting Mo3Sb7 from specific heat measurements

Résumé

The superconducting properties of the spin fluctuation-superconductor Mo3Sb7 have been investigated by specific heat measurements down to 0.5 K and under magnetic fields of up to 2 T. The obtained temperature and magnetic field dependences of the electronic specific heat strongly suggest a conventional s-wave pairing, while possible (s+g)-pairing symmetry has been proposed earlier. In addition, the temperature dependence of the upper critical field Hc2 is fully consistent with the Werthamer–Helfand–Hohenberg theory predicting its behavior for a conventional phonon-mediated type II superconductor.
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Dates et versions

hal-03996274 , version 1 (19-02-2023)

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Christophe Candolfi, Bertrand Lenoir, Anne Dauscher, Jiří Hejtmánek, Eva Šantavá, et al.. Conventional s-wave pairing in the presence of spin fluctuations in superconducting Mo3Sb7 from specific heat measurements. Physical Review B, 2008, 77 (9), pp.092509. ⟨10.1103/PhysRevB.77.092509⟩. ⟨hal-03996274⟩
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