Phenomenological theory of superconductivity near domain walls in ferromagnets

Details Phenomenological theory of superconductivity near domain walls in ferromagnets Phenomenological theory of superconductivity near domain walls in ferromagnets

2004-10-22

arxiv.org/abs/cond-mat/0410587v1

Phys. Rev. B 71, 104527 (2005)

Physics

Condensed Matter

Superconductivity

9 pages, 7 figures

Scientific paper

10.1103/PhysRevB.71.104527

We develop a phenomenological model of superconductivity near a domain wall in a ferromagnet. In addition to the electromagnetic interaction of the order parameter with the ferromagnetic magnetization, we take into account the possibility of a local enhancement or suppression of superconducting pairing in the vicinity of the wall, and also a non-perfect transparency of the wall to electrons. It is found that the critical temperature of superconductivity near the domain wall might be substantially higher than in the bulk.

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