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Superconducting gap nodes in PrOs_4Sb_12

S. H. Curnoe·T. R. Abu Alrub·I. A. Sergienko·I. Vekhter
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Abstract

We examine the superconducting gap nodes in crystals with tetrahedral (T_h) symmetry. The (0,0,1) phase of the three dimensional order parameter in the triplet channel has nodes in the [001] directions. Following a second order phase transition to the state (0,i|eta_2|,|eta_1|), each node lifts away from the Fermi surface and splits into two deep dips. We discuss this scenario in the context of multiple superconducting phases in PrOs4Sb12.

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S. H. Curnoe, T. R. Abu Alrub, I. A. Sergienko, I. Vekhter. 2006-08-04. Superconducting gap nodes in PrOs_4Sb_12. https://doi.org/10.1016/j.jmmm.2006.10.250

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