Superconducting states in the tetrahedral compound PrOs4Sb12

I. A. Sergienko; S. H. Curnoe

doi:10.1103/PhysRevB.70.144522

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Superconducting states in the tetrahedral compound PrOs4Sb12

I. A. Sergienko, S. H. Curnoe

DOI 10.1103/PhysRevB.70.144522 · Physical Review B

T1

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Abstract

We find possible superconducting states for tetrahedral (Th) symmetry crystals with strong spin-orbit coupling using Landau theory. Additional symmetry breaking within the superconducting state is considered. We discuss nodes of the gap functions for the different states, secondary superconducting order parameters, and coupling to the elastic strain. By comparing our results to experiments, we find that superconductivity in PrOs4Sb12 is best described by the three-dimensional representations of the point group Th.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
PrOs4Sb12 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	1.85	Pressure not reported	onset
PrOs4Sb12 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	1.75	Pressure not reported	unknown