Long-range odd triplet superconductivity in superconductor-ferromagnet structures with Néel walls

A. F. Volkov; Ya. V. Fominov; K. B. Efetov

doi:10.1103/PhysRevB.72.184504

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Long-range odd triplet superconductivity in superconductor-ferromagnet structures with Néel walls

A. F. Volkov, Ya. V. Fominov, K. B. Efetov

DOI 10.1103/PhysRevB.72.184504 · Physical Review B

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Abstract

We consider a multidomain superconductor/ferromagnet (SF) structure with an in-plane magnetization, assuming that the neighboring domains are separated by the Néel domain walls. We show that an odd triplet long-range component arises in the domain walls and spreads into domains over a long distance of the order ξT=D∕2πT (in the dirty limit). The density of states variation in the domains due to this component changes over distances of the order ξT and turns to zero in the middle of domains if the magnetization rotates in the same direction in all domain walls.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
Sr2RuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown