Pristine quantum criticality in a Kondo semimetal

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dc.citation.articleNumbereabf9134en_US
dc.citation.issueNumber21en_US
dc.citation.journalTitleScience Advancesen_US
dc.citation.volumeNumber7en_US
dc.contributor.authorFuhrman, Wesley T.en_US
dc.contributor.authorSidorenko, Andreyen_US
dc.contributor.authorHänel, Jonathanen_US
dc.contributor.authorWinkler, Hannesen_US
dc.contributor.authorProkofiev, Andreyen_US
dc.contributor.authorRodriguez-Rivera, Jose A.en_US
dc.contributor.authorQiu, Yimingen_US
dc.contributor.authorBlaha, Peteren_US
dc.contributor.authorSi, Qimiaoen_US
dc.contributor.authorBroholm, Collin L.en_US
dc.contributor.authorPaschen, Silkeen_US
dc.contributor.orgRice Center for Quantum Materialsen_US
dc.date.accessioned2021-06-10T17:36:50Zen_US
dc.date.available2021-06-10T17:36:50Zen_US
dc.date.issued2021en_US
dc.description.abstractThe observation of quantum criticality in diverse classes of strongly correlated electron systems has been instrumental in establishing ordering principles, discovering new phases, and identifying the relevant degrees of freedom and interactions. At focus so far have been insulators and metals. Semimetals, which are of great current interest as candidate phases with nontrivial topology, are much less explored in experiments. Here, we study the Kondo semimetal CeRu4Sn6 by magnetic susceptibility, specific heat, and inelastic neutron scattering experiments. The power-law divergence of the magnetic Grünesien ratio reveals that, unexpectedly, this compound is quantum critical without tuning. The dynamical energy over temperature scaling in the neutron response throughout the Brillouin zone and the temperature dependence of the static uniform susceptibility, indicate that temperature is the only energy scale in the criticality. Such behavior, which has been associated with Kondo destruction quantum criticality in metallic systems, could be generic in the semimetal setting. Thermodynamic and inelastic neutron scattering data evidence dynamical scaling in quantum critical candidate Weyl-Kondo semimetal. Thermodynamic and inelastic neutron scattering data evidence dynamical scaling in quantum critical candidate Weyl-Kondo semimetal.en_US
dc.identifier.citationFuhrman, Wesley T., Sidorenko, Andrey, Hänel, Jonathan, et al.. "Pristine quantum criticality in a Kondo semimetal." <i>Science Advances,</i> 7, no. 21 (2021) AAAS: https://doi.org/10.1126/sciadv.abf9134.en_US
dc.identifier.digitaleabf9134-fullen_US
dc.identifier.doihttps://doi.org/10.1126/sciadv.abf9134en_US
dc.identifier.urihttps://hdl.handle.net/1911/110713en_US
dc.language.isoengen_US
dc.publisherAAASen_US
dc.rightsThis is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.en_US
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/en_US
dc.titlePristine quantum criticality in a Kondo semimetalen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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