Two-gap superconductivity in LaNiGa${}_2$ with non-unitary triplet pairing and even parity gap symmetry

Z. F. Weng, J. L. Zhang, M. Smidman +10

The nature of the pairing states of superconducting LaNiC${}_2$ and LaNiGa${}_2$ has to date remained a puzzling question. Broken time reversal symmetry has been observed in both compo…