Effect of disorder on sign reversing s-wave pair state for Fe-pnictides

ORAL

Abstract

In this work, we consider a phenomenological model for sign changing s-wave order parameters appropriate for the ferropnictide superconductors. We consider both magnetic and non-magnetic impurities within the Born approximation, and study the effects of this disorder on transport properties in superconducting state. We compare our results with experimental data for Fe-pnictides, where such a sign-changing s-wave state may be realized.

Authors

  • Vivek Mishra

    Department of physics,University of Florida, Gainesville, FL-32611,USA., University of Florida

  • Greg Boyd

    Department of physics,University of Florida, Gainesville, FL-32611,USA., University of Florida

  • Siegfried Graser

    University of Florida, Department of physics,University of Florida, Gainesville, FL-32611,USA.

  • P.J. Hirschfeld

    University of Florida, Department of physics,University of Florida, Gainesville, FL-32611,USA.