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Electrodynamic response of the unconventional superconductor UTe<sub>2</sub>

ORAL

Abstract

Evidence was recently reported that UTe2 is a nonunitary spin-triplet superconductivity, whch features a high (for this material family) transition temperature of 1.6 K and a remarkably large and anisotropic upper critical field exceeding 40 T. Here we report results of measurements on the electrodynamic response of this compound down to low frequencies and temperatures. We investigate the finite frequency response of this system and search for evidence for the ferromagnetic flucutuations that have been seen in the optical response of other exotic superconductors close to ferromagnetism.

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Presenters

  • Peter Armitage

    Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, MD 21218, Johns Hopkins University, Institute of Quantum Matter, Department of Physics and Astronomy, Johns Hopkins University

Authors

  • Sirak Mekonen

    Johns Hopkins University

  • David Barbalas

    Johns Hopkins University

  • Dipanjan Chaudhuri

    Johns Hopkins 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

  • Wesley T Fuhrman

    Maryland Quantum Materials Center, Department of Physics, University of Maryland College Park, University of Maryland, College Park, Center for Quantum Materials, University of Maryland

  • 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

  • Peter Armitage

    Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, MD 21218, Johns Hopkins University, Institute of Quantum Matter, Department of Physics and Astronomy, Johns Hopkins University