Physics – Condensed Matter – Superconductivity
Scientific paper
2006-08-04
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.
Abu Alrub T. R.
Curnoe S. H.
Sergienko Ivan A.
Vekhter Ilya
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