Odd triplet superconductivity in a superconductor/ferromagnet structure with a spiral magnetic structure
arXiv:cond-mat/0602522 · doi:10.1103/PhysRevB.73.104412
Abstract
We analyze a superconductor-ferromagnet (S/F) system with a spiral magnetic structure in the ferromagnet F for a weak and strong exchange field. The long-range triplet component (LRTC) penetrating into the ferromagnet over a long distance is calculated for both cases. In the dirty limit (or weak ferromagnetism) we study the LRTC for conical ferromagnets. Its spatial dependence undergoes a qualitative change as a function of the cone angle θ. At small angles the LRTC decays in the ferromagnet exponentially in a monotonic way. If the angle θexceeds a certain value, the exponential decay of the LRTC is accompanied by oscillations with a period that depends on θ. This oscillatory behaviour leads to a similar dependence of the Josephson critical current in SFS junctions on the thickness of the F layer. In the case of a strong ferromagnet the LRTC decays over the length which is determined by the wave vector of the magnetic spiral and by the exchange field.
15 pages, 4 figures; to be published in Phys. Rev. B 73 (10) (2006)
References in corpus (13)
- Proximity effects in superconductor-ferromagnet heterostructures
- Odd Triplet Superconductivity and Related Phenomena in Superconductor-Ferromagnet Structures
- Long-range effects in superconductor-ferromagnet structures
- Theory of Half Metal-Superconductor Heterostructures
- Quantum Spin Fluctuations as a Source of Long-Range Proximity Effects in Diffusive Ferromagnet-Superconductor Structures
- Josephson current in superconductor-ferromagnet structures with a nonhomogeneous magnetization
- Properties of Odd Gap Superconductors
- Possible Realization of Odd Frequency Pairing in Heavy Fermion Compounds
- Effect of an inhomogeneous exchange field on the proximity effect in disordered superconductor-ferromagnet hybrid structures
- Cryptoferromagnetic state in superconductor-ferromagnet multilayers
- Switching superconductivity in S/F bilayers by multiple-domain structures
- Local density of states in superconductor-strong ferromagnet structures
- Long-range odd triplet superconductivity in SF structures with Neel walls
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