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  Dynamic electron correlations with charge order wavelength along all directions in the copper oxide plane

Boschini, F., Minola, M., Sutarto, R., Schierle, E., Bluschke, M., Das, S., et al. (2021). Dynamic electron correlations with charge order wavelength along all directions in the copper oxide plane. Nature Communications, 12: 597, pp. 1-8. doi:10.1038/s41467-020-20824-7.

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Boschini, F.1, Author
Minola, M.1, Author
Sutarto, R.1, Author
Schierle, E.1, Author
Bluschke, M.1, Author
Das, S.1, Author
Yang, Y.1, Author
Michiardi, M.2, Author              
Shao, Y. C.1, Author
Feng, X.1, Author
Ono, S.1, Author
Zhong, R. D.1, Author
Schneeloch, J. A.1, Author
Gu, G. D.1, Author
Weschke, E.1, Author
He, F.1, Author
Chuang, Y. D.1, Author
Keimer, B.1, Author
Damascelli, A.1, Author
Frano, A.1, Author
da Silva Neto, E. H.1, Author more..
Affiliations:
1External Organizations, ou_persistent22              
2Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863445              

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 Abstract: In strongly correlated systems the strength of Coulomb interactions between electrons, relative to their kinetic energy, plays a central role in determining their emergent quantum mechanical phases. We perform resonant x-ray scattering on Bi2Sr2CaCu2O8+δ, a prototypical cuprate superconductor, to probe electronic correlations within the CuO2 plane. We discover a dynamic quasi-circular pattern in the x-y scattering plane with a radius that matches the wave vector magnitude of the well-known static charge order. Along with doping- and temperature-dependent measurements, our experiments reveal a picture of charge order competing with superconductivity where short-range domains along x and y can dynamically rotate into any other in-plane direction. This quasi-circular spectrum, a hallmark of Brazovskii-type fluctuations, has immediate consequences to our understanding of rotational and translational symmetry breaking in the cuprates. We discuss how the combination of short- and long-range Coulomb interactions results in an effective non-monotonic potential that may determine the quasi-circular pattern. © 2021, The Author(s).

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Language(s): eng - English
 Dates: 2021-01-262021-01-26
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: DOI: 10.1038/s41467-020-20824-7
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Title: Nature Communications
  Abbreviation : Nat. Commun.
Source Genre: Journal
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Publ. Info: London : Nature Publishing Group
Pages: - Volume / Issue: 12 Sequence Number: 597 Start / End Page: 1 - 8 Identifier: ISSN: 2041-1723
CoNE: https://pure.mpg.de/cone/journals/resource/2041-1723