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Evidence of nodal superconductivity in LaFeSiH
hal.structure.identifier | Ramakrishna Vivekananda Mission University [Kolkata] | |
dc.contributor.author | BHATTACHARYYA, A. | |
hal.structure.identifier | Magnétisme et Supraconductivité [NEEL - MagSup] | |
dc.contributor.author | RODIÈRE, Pierre | |
hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
dc.contributor.author | VANEY, Jean-Baptiste | |
hal.structure.identifier | ISIS Neutron and Muon Source [ISIS] | |
dc.contributor.author | BISWAS, P. | |
hal.structure.identifier | ISIS Neutron and Muon Source [ISIS] | |
dc.contributor.author | HILLIER, A. | |
hal.structure.identifier | Università degli Studi di Cagliari = University of Cagliari [UniCa] | |
dc.contributor.author | BOSIN, A. | |
hal.structure.identifier | Università degli Studi di Cagliari = University of Cagliari [UniCa] | |
dc.contributor.author | BERNARDINI, F. | |
hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
dc.contributor.author | TENCÉ, Sophie | |
hal.structure.identifier | University of Johannesburg [South Africa] [UJ] | |
hal.structure.identifier | ISIS Neutron and Muon Source [ISIS] | |
dc.contributor.author | ADROJA, D. | |
hal.structure.identifier | Théorie de la Matière Condensée [NEEL - TMC] | |
dc.contributor.author | CANO, Andrés | |
dc.date.issued | 2020-06 | |
dc.identifier.issn | 2469-9950 | |
dc.description.abstractEn | Unconventional superconductivity has recently been discovered in the iron-based superconducting silicide LaFeSiH. By using the complementary techniques of muon spin rotation, tunneling diode oscillator, and density-functional theory, we investigate the magnetic penetration depth and thereby the superconducting gap of this high-temperature superconductor. We find that the magnetic penetration depth displays a sub-T2 behavior in the low-temperature regime below Tc/3, which evidences a nodal structure of the gap (or a gap with very deep minima). Even if the topology of the computed Fermi surface is compatible with the s±-wave case with accidental nodes, its nesting and orbital-content features may eventually result in a d-wave state, which is more unusual for high-temperature superconductors of this class. | |
dc.description.sponsorship | Novel As/Se-free Iron-based Superconductors | |
dc.language.iso | en | |
dc.publisher | American Physical Society | |
dc.title.en | Evidence of nodal superconductivity in LaFeSiH | |
dc.type | Article de revue | |
dc.identifier.doi | 10.1103/PhysRevB.101.224502 | |
dc.subject.hal | Physique [physics]/Matière Condensée [cond-mat] | |
dc.subject.hal | Chimie/Matériaux | |
dc.subject.hal | Physique [physics]/Matière Condensée [cond-mat]/Science des matériaux [cond-mat.mtrl-sci] | |
dc.subject.hal | Physique [physics]/Matière Condensée [cond-mat]/Supraconductivité [cond-mat.supr-con] | |
dc.subject.hal | Physique [physics]/Matière Condensée [cond-mat]/Electrons fortement corrélés [cond-mat.str-el] | |
dc.identifier.arxiv | 1910.13258v2 | |
bordeaux.journal | Physical Review B | |
bordeaux.page | 224502 | |
bordeaux.volume | 101 | |
bordeaux.issue | 22 | |
bordeaux.peerReviewed | oui | |
hal.identifier | hal-02733675 | |
hal.version | 1 | |
hal.popular | non | |
hal.audience | Internationale | |
hal.origin.link | https://hal.archives-ouvertes.fr//hal-02733675v1 | |
bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Physical%20Review%20B&rft.date=2020-06&rft.volume=101&rft.issue=22&rft.spage=224502&rft.epage=224502&rft.eissn=2469-9950&rft.issn=2469-9950&rft.au=BHATTACHARYYA,%20A.&RODI%C3%88RE,%20Pierre&VANEY,%20Jean-Baptiste&BISWAS,%20P.&HILLIER,%20A.&rft.genre=article |
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