Diagonal nematicity in the pseudogap phase of HgBa2CuO4+delta

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dc.contributor.authorMurayama, H.ko
dc.contributor.authorSato, Y.ko
dc.contributor.authorKunhara, R.ko
dc.contributor.authorKasahara, S.ko
dc.contributor.authorMizukami, Y.ko
dc.contributor.authorKasahara, Y.ko
dc.contributor.authorUchiyama, H.ko
dc.contributor.authorYamamoto, A.ko
dc.contributor.authorMoon, Eun-Gookko
dc.contributor.authorCai, J.ko
dc.contributor.authorFreyermuth, J.ko
dc.contributor.authorGreven, M.ko
dc.contributor.authorShibauchi, T.ko
dc.contributor.authorMatsuda, Y.ko
dc.date.accessioned2019-08-22T05:20:07Z-
dc.date.available2019-08-22T05:20:07Z-
dc.date.created2019-08-19-
dc.date.created2019-08-19-
dc.date.created2019-08-19-
dc.date.created2019-08-19-
dc.date.issued2019-07-
dc.identifier.citationNATURE COMMUNICATIONS, v.10, pp.3282-
dc.identifier.issn2041-1723-
dc.identifier.urihttp://hdl.handle.net/10203/264895-
dc.description.abstractThe pseudogap phenomenon in the cuprates is arguably the most mysterious puzzle in the field of high-temperature superconductivity. The tetragonal cuprate HgBa2CuO4+delta, with only one CuO2 layer per primitive cell, is an ideal system to tackle this puzzle. Here, we measure the magnetic susceptibility anisotropy within the CuO2 plane with exceptionally high-precision magnetic torque experiments. Our key finding is that a distinct two-fold in-plane anisotropy sets in below the pseudogap temperature T*, which provides thermodynamic evidence for a nematic phase transition with broken four-fold symmetry. Surprisingly, the nematic director orients along the diagonal direction of the CuO2 square lattice, in sharp contrast to the bond nematicity along the Cu-O-Cu direction. Another remarkable feature is that the enhancement of the diagonal nematicity with decreasing temperature is suppressed around the temperature at which short-range charge-density-wave formation occurs. Our result suggests a competing relationship between diagonal nematic and charge-density-wave order in HgBa2CuO4+delta.-
dc.languageEnglish-
dc.publisherNATURE PUBLISHING GROUP-
dc.titleDiagonal nematicity in the pseudogap phase of HgBa2CuO4+delta-
dc.typeArticle-
dc.identifier.wosid000476725500003-
dc.identifier.scopusid2-s2.0-85069685749-
dc.type.rimsART-
dc.citation.volume10-
dc.citation.beginningpage3282-
dc.citation.publicationnameNATURE COMMUNICATIONS-
dc.identifier.doi10.1038/s41467-019-11200-1-
dc.contributor.localauthorMoon, Eun-Gook-
dc.contributor.nonIdAuthorMurayama, H.-
dc.contributor.nonIdAuthorSato, Y.-
dc.contributor.nonIdAuthorKunhara, R.-
dc.contributor.nonIdAuthorKasahara, S.-
dc.contributor.nonIdAuthorMizukami, Y.-
dc.contributor.nonIdAuthorKasahara, Y.-
dc.contributor.nonIdAuthorUchiyama, H.-
dc.contributor.nonIdAuthorYamamoto, A.-
dc.contributor.nonIdAuthorCai, J.-
dc.contributor.nonIdAuthorFreyermuth, J.-
dc.contributor.nonIdAuthorGreven, M.-
dc.contributor.nonIdAuthorShibauchi, T.-
dc.contributor.nonIdAuthorMatsuda, Y.-
dc.description.isOpenAccessY-
dc.type.journalArticleArticle-
dc.subject.keywordPlusROTATIONAL SYMMETRY-
dc.subject.keywordPlusDENSITY-WAVE-
dc.subject.keywordPlusELECTRONIC NEMATICITY-
dc.subject.keywordPlusORDER-
dc.subject.keywordPlusSUPERCONDUCTIVITY-
dc.subject.keywordPlusTRANSITION-
dc.subject.keywordPlusBREAKING-
dc.subject.keywordPlusONSET-
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