Muon-spin rotation study of the in-plane magnetic penetration depth of FeSe_0.85: evidence for nodeless superconductivity

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dc.creatorKhasanov, R.
dc.creatorConder, K.
dc.creatorPomjakushina, E.
dc.creatorAmato, A.
dc.creatorBaines, C.
dc.creatorBukowski, Z.
dc.creatorKarpinski, J.
dc.creatorKatrych, S.
dc.creatorKlauss, H. -H.
dc.creatorLuetkens, H.
dc.creatorShengelaya, A.
dc.creatorZhigadlo, N. D.
dc.date2008-10-09
dc.date.accessioned2026-07-07T12:23:37Z
dc.date.available2026-07-07T12:23:37Z
dc.descriptionThe in-plane magnetic penetration depth λ_{ab} of the iron selenide superconductor with the nominal composition FeSe_0.85 was studied by means of muon-spin rotation. The measurements of λ_{ab}^{-2}(T) are inconsistent with the presence of nodes in the gap as well as with a simple isotropic s-wave type of the order parameter, but can be equally well described within a two-gap (s+s) and an anisotropic s-wave gap picture. This implies that the superconducting energy gap in FeSe_0.85 contains no nodes.
dc.description4 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/0810.1716
dc.identifierhttp://arxiv.org/abs/0810.1716
dc.identifierPhys. Rev. B 78, 220510(R) (2008)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/214053
dc.subjectSuperconductivity
dc.titleMuon-spin rotation study of the in-plane magnetic penetration depth of FeSe_0.85: evidence for nodeless superconductivity
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