Hybrid gap structure in the heavy-fermion superconductor CeIrIn${}_5$

H. Shakeripour, M. A. Tanatar, S. Y. Li +2

The thermal conductivity $\kappa$ of the heavy-fermion superconductor CeIrIn${}_5$ was measured as a function of temperature down to $T_c$/8, for current directions perpendicular ($J \par…