Nematicity in a cuprate superconductor revealed by angle-resolved photoemission spectroscopy under uniaxial strain

Abstract The nature of the pseudogap and its relationship with superconductivity are one of the central issues of cuprate superconductors. Recently, a possible scenario has been proposed that the pseudogap state is a distinct phase characterized by spontaneous rotational symmetry breaking called “ne...

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Autores principales:	S. Nakata, M. Horio, K. Koshiishi, K. Hagiwara, C. Lin, M. Suzuki, S. Ideta, K. Tanaka, D. Song, Y. Yoshida, H. Eisaki, A. Fujimori
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197
Acceso en línea:	https://doaj.org/article/f3a7ba3f343a49b1bcf8ce67effacc9a
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spelling	oai:doaj.org-article:f3a7ba3f343a49b1bcf8ce67effacc9a2021-12-02T19:16:25ZNematicity in a cuprate superconductor revealed by angle-resolved photoemission spectroscopy under uniaxial strain10.1038/s41535-021-00390-x2397-4648https://doaj.org/article/f3a7ba3f343a49b1bcf8ce67effacc9a2021-10-01T00:00:00Zhttps://doi.org/10.1038/s41535-021-00390-xhttps://doaj.org/toc/2397-4648Abstract The nature of the pseudogap and its relationship with superconductivity are one of the central issues of cuprate superconductors. Recently, a possible scenario has been proposed that the pseudogap state is a distinct phase characterized by spontaneous rotational symmetry breaking called “nematicity” based on transport and magnetic susceptibility measurements, where the symmetry breaking was observed below the pseudogap temperature T ∗. Here, we report a temperature-dependent ARPES study of nematicity in slightly overdoped Bi1.7Pb0.5Sr1.9CaCu2O8+δ triggered by a uniaxial strain applied along one of the Cu–O bond directions. While the nematicity was enhanced in the pseudogap state as in the previous studies, it was suppressed in the superconducting state. These results indicate that the pseudogap state is characterized by spontaneous rotational symmetry breaking and that the nematicity may compete with superconductivity. Relationship between the nematicity and charge-density waves, both of which are observed in the pseudogap state, is discussed.S. NakataM. HorioK. KoshiishiK. HagiwaraC. LinM. SuzukiS. IdetaK. TanakaD. SongY. YoshidaH. EisakiA. FujimoriNature PortfolioarticleMaterials of engineering and construction. Mechanics of materialsTA401-492Atomic physics. Constitution and properties of matterQC170-197ENnpj Quantum Materials, Vol 6, Iss 1, Pp 1-6 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197
spellingShingle	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197 S. Nakata M. Horio K. Koshiishi K. Hagiwara C. Lin M. Suzuki S. Ideta K. Tanaka D. Song Y. Yoshida H. Eisaki A. Fujimori Nematicity in a cuprate superconductor revealed by angle-resolved photoemission spectroscopy under uniaxial strain
description	Abstract The nature of the pseudogap and its relationship with superconductivity are one of the central issues of cuprate superconductors. Recently, a possible scenario has been proposed that the pseudogap state is a distinct phase characterized by spontaneous rotational symmetry breaking called “nematicity” based on transport and magnetic susceptibility measurements, where the symmetry breaking was observed below the pseudogap temperature T ∗. Here, we report a temperature-dependent ARPES study of nematicity in slightly overdoped Bi1.7Pb0.5Sr1.9CaCu2O8+δ triggered by a uniaxial strain applied along one of the Cu–O bond directions. While the nematicity was enhanced in the pseudogap state as in the previous studies, it was suppressed in the superconducting state. These results indicate that the pseudogap state is characterized by spontaneous rotational symmetry breaking and that the nematicity may compete with superconductivity. Relationship between the nematicity and charge-density waves, both of which are observed in the pseudogap state, is discussed.
format	article
author	S. Nakata M. Horio K. Koshiishi K. Hagiwara C. Lin M. Suzuki S. Ideta K. Tanaka D. Song Y. Yoshida H. Eisaki A. Fujimori
author_facet	S. Nakata M. Horio K. Koshiishi K. Hagiwara C. Lin M. Suzuki S. Ideta K. Tanaka D. Song Y. Yoshida H. Eisaki A. Fujimori
author_sort	S. Nakata
title	Nematicity in a cuprate superconductor revealed by angle-resolved photoemission spectroscopy under uniaxial strain
title_short	Nematicity in a cuprate superconductor revealed by angle-resolved photoemission spectroscopy under uniaxial strain
title_full	Nematicity in a cuprate superconductor revealed by angle-resolved photoemission spectroscopy under uniaxial strain
title_fullStr	Nematicity in a cuprate superconductor revealed by angle-resolved photoemission spectroscopy under uniaxial strain
title_full_unstemmed	Nematicity in a cuprate superconductor revealed by angle-resolved photoemission spectroscopy under uniaxial strain
title_sort	nematicity in a cuprate superconductor revealed by angle-resolved photoemission spectroscopy under uniaxial strain
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/f3a7ba3f343a49b1bcf8ce67effacc9a
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Nematicity in a cuprate superconductor revealed by angle-resolved photoemission spectroscopy under uniaxial strain

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