Strong electron-phonon coupling in Hg1201

ORAL

Abstract

Among single-layer cuprate high temperature superconductors, some materials have maximum Tc (Tc, max) near 40K while others have Tc, max near 100K, and the origin of this discrepancy is still unsettled. We present doping-dependent angle-resolved photoemission spectroscopy (ARPES) studies on HgBa2CuO4+δ (Hg1201), a single-layer cuprate with higher Tc, max, with a focus on spectral features which differ from more commonly studied single layer cuprates with lower Tc, max. Our studies indicate two different aspects of enhanced electron-phonon coupling in this system with distinct momentum dependence.

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Presenters

  • Inna Vishik

    University of California, Davis, University of california, Davis, Physics, University of California, Davis

Authors

  • Ming Yi

    Physics and Astronomy, Rice University, Rice University

  • Jayita Nayak

    Physics, University of California, Davis

  • Zachary Anderson

    University of Minnesota, Physics and Astronomy, University of Minnesota

  • Yang Tang

    University of Minnesota, Physics and Astronomy, University of Minnesota

  • Martin Greven

    University of Minnesota, School of Physics and Astronomy, University of Minnesota, Physics and Astronomy, University of Minnesota

  • Robert J Birgeneau

    University of California, Berkeley, Physics, University of California, Berkeley, Univ. of California, Berkeley, Physics, University of California Berkeley

  • Inna Vishik

    University of California, Davis, University of california, Davis, Physics, University of California, Davis