Superconducting gap nodes in PrOs_4Sb_12

Details Superconducting gap nodes in PrOs_4Sb_12 Superconducting gap nodes in PrOs_4Sb_12

2006-08-04

arxiv.org/abs/cond-mat/0608122v1

Physics

Condensed Matter

Superconductivity

2 pages, 1 figure, ICM2006, manuscript with higher quality figure may be obtained at http://www.physics.mun.ca/~curnoe/papers/

Scientific paper

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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