Mixed-parity superconductivity near Lifshitz transitions in strongly spin-orbit-coupled metals

Matthew J. Trott; Chris A. Hooley

doi:10.1103/PhysRevResearch.2.013106

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Mixed-parity superconductivity near Lifshitz transitions in strongly spin-orbit-coupled metals

Matthew J. Trott, Chris A. Hooley

DOI 10.1103/PhysRevResearch.2.013106 · Physical Review Research

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Abstract

We consider a strongly spin-orbit-coupled metal, one of whose Fermi surfaces is close to a Lifshitz (topological) transition. Via a renormalization group analysis of the square-lattice Hubbard model with strong Rashba spin-orbit coupling, we show that such a metal is generically unstable to the formation of mixed-parity superconductivity with a helical triplet component.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
CePt3Si Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
Li2Pt3B Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown