Long-range odd triplet superconductivity in SF structures with Neel walls

Details Long-range odd triplet superconductivity in SF structures with Neel walls Long-range odd triplet superconductivity in SF structures with Neel walls

2005-07-16

arxiv.org/abs/cond-mat/0507396v2

Phys. Rev. B 72, 184504 (2005)

Physics

Condensed Matter

Superconductivity

9 pages (including 3 EPS figures), REVTeX 4

Scientific paper

10.1103/PhysRevB.72.184504

We consider a multidomain superconductor/ferromagnet (SF) structure with an in-plane magnetization, assuming that the neighboring domains are separated by the Neel 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 \xi_T = \sqrt{D/2\pi T} (in the dirty limit). The density of states variation in the domains due to this component changes over distances of the order \xi_T and turns to zero in the middle of domains if the magnetization rotates in the same direction in all domain walls.

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