Tuning from failed superconductor to failed insulator with magnetic field

Li, Y., Terzic, J., Baity, P.G. , Popović, D., Gu, G.D., Li, Q., Tsvelik, A.M. and Tranquada, J.M. (2019) Tuning from failed superconductor to failed insulator with magnetic field. Science Advances, 5(6), eaav7686. (doi: 10.1126/sciadv.aav7686) (PMID:31214648) (PMCID:PMC6570505)

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Do charge modulations compete with electron pairing in high-temperature copper oxide superconductors? We investigated this question by suppressing superconductivity in a stripe-ordered cuprate compound at low temperature with high magnetic fields. With increasing field, loss of three-dimensional superconducting order is followed by reentrant two-dimensional superconductivity and then an ultraquantum metal phase. Circumstantial evidence suggests that the latter state is bosonic and associated with the charge stripes. These results provide experimental support to the theoretical perspective that local segregation of doped holes and antiferromagnetic spin correlations underlies the electron-pairing mechanism in cuprates.

Item Type:Articles
Additional Information:: Work at Brookhaven is supported by the Office of Basic Energy Sciences, Materials Sciences and Engineering Division, U.S. Department of Energy (DOE) under contract no. DE-SC0012704. The work at the National High Magnetic Field Laboratory and Florida State University was supported by NSF grant no. DMR-1707785. A portion of this work was performed at the National High Magnetic Field Laboratory, which is supported by the National Science Foundation Cooperative Agreement no. DMR-1644779 and the State of Florida.
Glasgow Author(s) Enlighten ID:Baity, Dr Paul
Authors: Li, Y., Terzic, J., Baity, P.G., Popović, D., Gu, G.D., Li, Q., Tsvelik, A.M., and Tranquada, J.M.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Science Advances
Publisher:American Association for the Advancement of Science
ISSN (Online):2375-2548
Published Online:14 June 2019
Copyright Holders:Copyright © 2019 The Authors
First Published:First published in Science Advances 5(6): eaav7686
Publisher Policy:Reproduced under a Creative Commons License

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