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

Matthew J. Trott; Chris A. Hooley

doi:10.1103/PhysRevResearch.2.013106

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

Matthew J. Trott, Chris A. Hooley

Research output: Contribution to journal › Article › peer-review

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.

Original language	English
Journal	Physical Review Research
Volume	2
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevResearch.2.013106
Publication status	Published - 31 Jan 2020

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10.1103/PhysRevResearch.2.013106

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title = "Mixed-parity superconductivity near Lifshitz transitions in strongly spin-orbit-coupled metals",

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.",

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AB - 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.

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

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