Magnetic Response of Nematic Superconductors: Skyrmion Stripes and Their Signatures in Muon Spin Relaxation Experiments

Martin Speight; Thomas Winyard; Egor Babaev

doi:10.1103/PhysRevLett.130.226002

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Magnetic Response of Nematic Superconductors: Skyrmion Stripes and Their Signatures in Muon Spin Relaxation Experiments

Martin Speight, Thomas Winyard, Egor Babaev

DOI 10.1103/PhysRevLett.130.226002 · Physical Review Letters

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Abstract

We investigate the magnetic response of nematic superconductors, presenting a new approach to find vortex and skyrmion structures beyond symmetry-constraining Ansätze. Using this approach we show that nematic superconductors form distinctive skyrmion stripes. Our approach lends itself to accurate determination of the field distribution for muon spin rotation probes. We use this to show that the skyrmion structure manifests as a double peak in the field distribution, markedly different from the signal of standard vortex lattices.

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Formula	Reported Tc (K)	Pressure (GPa)	Type
CuxBi2Se3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
SrxBi2Se3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
NbxBi2Se3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown