Emergence of charge order from the vortex state of a high-temperature superconductor

Tao Wu, Hadrien Mayaffre, Steffen Krämer, Mladen Horvatić, Claude Berthier, Philip L. Kuhns, Arneil P. Reyes, Ruixing Liang, W. N. Hardy, D. A. Bonn and Marc-Henri Julien ()
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Tao Wu: Laboratoire National des Champs Magnétiques Intenses, UPR 3228, CNRS-UJF-UPS-INSA
Hadrien Mayaffre: Laboratoire National des Champs Magnétiques Intenses, UPR 3228, CNRS-UJF-UPS-INSA
Steffen Krämer: Laboratoire National des Champs Magnétiques Intenses, UPR 3228, CNRS-UJF-UPS-INSA
Mladen Horvatić: Laboratoire National des Champs Magnétiques Intenses, UPR 3228, CNRS-UJF-UPS-INSA
Claude Berthier: Laboratoire National des Champs Magnétiques Intenses, UPR 3228, CNRS-UJF-UPS-INSA
Philip L. Kuhns: National High Magnetic Field Laboratory, Florida State University
Arneil P. Reyes: National High Magnetic Field Laboratory, Florida State University
Ruixing Liang: University of British Columbia
W. N. Hardy: University of British Columbia
D. A. Bonn: University of British Columbia
Marc-Henri Julien: Laboratoire National des Champs Magnétiques Intenses, UPR 3228, CNRS-UJF-UPS-INSA

Nature Communications, 2013, vol. 4, issue 1, 1-6

Abstract: Abstract Evidence is mounting that charge order competes with superconductivity in high Tc cuprates. Whether this has any relationship to the pairing mechanism is unknown as neither the universality of the competition nor its microscopic nature has been established. Here, we show using nuclear magnetic resonance that charge order in YBa2Cu3Oy has maximum strength inside the superconducting dome, similar to compounds of the La2−x(Sr,Ba)xCuO4 family. In YBa2Cu3Oy, this occurs at doping levels of p=0.11–0.12. We further show that the overlap of halos of incipient charge order around vortex cores, similar to those visualised in Bi2Sr2CaCu2O8+δ, can explain the threshold magnetic field at which long-range charge order emerges. These results reveal universal features of a competition in which charge order and superconductivity appear as joint instabilities of the same normal state, whose relative balance can be field-tuned in the vortex state.

Date: 2013
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DOI: 10.1038/ncomms3113

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