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Spatially inhomogen...
Spatially inhomogeneous competition between superconductivity and the charge density wave in YBa2Cu3O6.67
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- Choi, J. (författare)
- University of Zurich
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- Ivashko, O. (författare)
- University of Zurich,German Electron Synchrotron (DESY)
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- Blackburn, E. (författare)
- Lund University,Lunds universitet,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,University of Birmingham
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- Liang, R. (författare)
- University of British Columbia,Canadian Institute for Advanced Research (CIFAR)
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- Bonn, D. A. (författare)
- University of British Columbia,Canadian Institute for Advanced Research (CIFAR)
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- Hardy, W. N. (författare)
- University of British Columbia,Canadian Institute for Advanced Research (CIFAR)
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- Holmes, A. T. (författare)
- European Spallation Source ESS AB
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- Christensen, N. B. (författare)
- Technical University of Denmark
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- Hücker, M. (författare)
- Weizmann Institute of Science Israel
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- Gerber, S. (författare)
- Paul Scherrer Institute
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- Gutowski, O. (författare)
- German Electron Synchrotron (DESY)
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- Rütt, U. (författare)
- German Electron Synchrotron (DESY)
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- Zimmermann, M. v. (författare)
- German Electron Synchrotron (DESY)
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- Forgan, E. M. (författare)
- University of Birmingham
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- Hayden, S. M. (författare)
- University of Bristol
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- Chang, J. (författare)
- University of Zurich
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(creator_code:org_t)
- 2020-02-20
- 2020
- Engelska.
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Ingår i: Nature Communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 11:1
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://www.nature.c...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The charge density wave in the high-temperature superconductor YBa2Cu3O7−x (YBCO) has two different ordering tendencies differentiated by their c-axis correlations. These correspond to ferro- (F-CDW) and antiferro- (AF-CDW) couplings between CDWs in neighbouring CuO2 bilayers. This discovery has prompted several fundamental questions: how does superconductivity adjust to two competing orders and are either of these orders responsible for the electronic reconstruction? Here we use x-ray diffraction to study YBa2Cu3O6.67 as a function of magnetic field and temperature. We show that regions with F-CDW correlations suppress superconductivity more strongly than those with AF-CDW correlations. This implies that an inhomogeneous superconducting state exists, in which some regions show a fragile form of superconductivity. By comparison of F-CDW and AF-CDW correlation lengths, it is concluded that F-CDW ordering is sufficiently long-range to modify the electronic structure. Our study thus suggests that F-CDW correlations impact both the superconducting and normal state properties of YBCO.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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Choi, J.
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Ivashko, O.
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Blackburn, E.
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Liang, R.
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Bonn, D. A.
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Hardy, W. N.
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visa fler...
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Holmes, A. T.
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Christensen, N. ...
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Hücker, M.
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Gerber, S.
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Gutowski, O.
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Rütt, U.
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Zimmermann, M. v ...
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Forgan, E. M.
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Hayden, S. M.
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Chang, J.
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