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Link between spin fluctuations and electron pairing in copper oxide superconductors

Author

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  • K. Jin

    (Center for Nanophysics & Advanced Materials, University of Maryland, College Park, Maryland 20742, USA
    University of Maryland, College Park, Maryland 20742, USA)

  • N. P. Butch

    (Center for Nanophysics & Advanced Materials, University of Maryland, College Park, Maryland 20742, USA
    University of Maryland, College Park, Maryland 20742, USA)

  • K. Kirshenbaum

    (Center for Nanophysics & Advanced Materials, University of Maryland, College Park, Maryland 20742, USA
    University of Maryland, College Park, Maryland 20742, USA)

  • J. Paglione

    (Center for Nanophysics & Advanced Materials, University of Maryland, College Park, Maryland 20742, USA
    University of Maryland, College Park, Maryland 20742, USA)

  • R. L. Greene

    (Center for Nanophysics & Advanced Materials, University of Maryland, College Park, Maryland 20742, USA
    University of Maryland, College Park, Maryland 20742, USA)

Abstract

Spin fluctuation scattering in organic superconductors The relative importance of phenomena such as spin and charge (stripe) order and a pseudogap phase are still a matter of great debate with regard to the high-transition-temperature copper oxides. In electron-doped materials, the absence of a pseudogap phase in the underdoped region of the phase diagram and weaker electron correlations suggest that antiferromagnetic spin fluctuations are the dominant feature. Jin et al. report a study of magnetotransport in thin films of the electron-doped copper oxide La2 − xCexCuO4 (LCCO). They show that a linear-temperature (T-linear) scattering rate is correlated with the electron pairing. Comparison with similar behaviour found in organic superconductors strongly suggests that the T-linear resistivity is caused by spin-fluctuation scattering.

Suggested Citation

  • K. Jin & N. P. Butch & K. Kirshenbaum & J. Paglione & R. L. Greene, 2011. "Link between spin fluctuations and electron pairing in copper oxide superconductors," Nature, Nature, vol. 476(7358), pages 73-75, August.
    • Handle: RePEc:nat:nature:v:476:y:2011:i:7358:d:10.1038_nature10308
    DOI: 10.1038/nature10308
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    Cited by:

    1. Shu Cai & Jinyu Zhao & Ni Ni & Jing Guo & Run Yang & Pengyu Wang & Jinyu Han & Sijin Long & Yazhou Zhou & Qi Wu & Xianggang Qiu & Tao Xiang & Robert J. Cava & Liling Sun, 2023. "The breakdown of both strange metal and superconducting states at a pressure-induced quantum critical point in iron-pnictide superconductors," Nature Communications, Nature, vol. 14(1), pages 1-7, December.

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