NMR Study of the Spin-triplet Superconductor UTe<sub>2</sub>

ORAL

Abstract

Recently, spin-triplet superconductivity has been discovered in nearly ferromagnetic (FM) heavy fermion UTe2 [1]. Here, we report the 125Te nuclear magnetic resonance (NMR) studies of UTe2 in both the normal and superconducting (SC) states. The magnetic fluctuations in the normal state, and the SC gap information in the SC state has been revealed. We will also discuss the relationship between FM spin fluctuations and superconductivity in UTe2.

[1] S. Ran et al., Science 365, 684 (2019).

*The research was supported by the U.S. Department of Energy (DOE), Office of Basic Energy Sciences, Division of Materials Sciences and Engineering. Ames Laboratory is operated for the U.S. DOE by Iowa State University under Contract No. DE-AC02-07CH11358.

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Presenters

  • Qing-Ping Ding

    • Ames Laboratory and Dept. of Phys. and Astro., Iowa State University

Authors

  • Qing-Ping Ding

    • Ames Laboratory and Dept. of Phys. and Astro., Iowa State University

  • Sheng Ran

    • NIST Center for Neutron Research, National Institute of Standards and Technology
    • University of Maryland, College Park
    • National Institute of Standards and Technology
    • Physics Department, University of Maryland
    • University of Maryland
    • University of Maryland, College Park & NIST
    • Department of Physics, University of Maryland, College Park
    • NIST Center for Neutron Research

  • Nicholas Butch

    • NIST Center for Neutron Research, National Institute of Standards and Technology
    • National Institute of Standards and Technology
    • Center of Neutron Research, National Institute of Standards and Technology
    • Center for Neutron Research, National Institute of Standards and Technology
    • NIST Center for Neutron Research
    • NIST center for neutron research
    • NIST
    • NIST Center for Neutron Research, National Institute of Standards and Technology,
    • University of Maryland, College Park & NIST
    • National Institute of Standards and Technology Center for Neutron Research

  • Yuji Furukawa

    • Ames Laboratory and Dept. of Phys. and Astro., Iowa State University
    • Iowa State University
    • Iowa State University, Ames Laboratory
    • Division of Materials Sciences & Engineering, Ames Lab and Iowa State University