Interference phenomena and long - range proximity effect in clean superconductor -- ferromagnet systems
arXiv:1208.1089 · doi:10.1103/PhysRevLett.109.237006
Abstract
We study peculiarities of proximity effect in clean superconductor -- ferromagnet structures caused by either spatial or momentum dependence of the exchange field. Even a small modulation of the exchange field along the quasiparticle trajectories is shown to provide a long range contribution to the supercurrent due to the specific interference of particle- and hole- like wave functions. The momentum dependence of the exchange field caused by the spin -- orbit interaction results in the long -- range superconducting correlations even in the absence of ferromagnetic domain structure and can explain the recent experiments on ferromagnetic nanowires.
5 pages, 2 figures
References in corpus (7)
- A spin triplet supercurrent through the half-metallic ferromagnet CrO2
- Odd Triplet Pairing in clean Superconductor/Ferromagnet heterostructures
- Josephson coupling through ferromagnetic heterojunctions with noncollinear magnetizations
- 0-pi Transitions in a Superconductor/Chiral Ferromagnet/Superconductor Junction induced by a Homogeneous Cycloidal Spiral
- Josephson current in a superconductor-ferromagnet junction with two non-collinear magnetic domains
- Nonsinusoidal current-phase relation in strongly ferromagnetic and moderately disordered SFS junctions
- Long ranged singlet proximity effect in ferromagnetic nanowires
Cited by in corpus (27)
- Spin-polarized supercurrents for spintronics: a review of current progress
- Spin-valve Josephson junctions for cryogenic memory
- Generation of a superconducting vortex via Néel skyrmions
- Controllable generation of a spin-triplet supercurrent in a Josephson spin-valve
- Ferromagnetic Materials for Josephson π Junctions
- Evidence for spin-triplet superconducting correlations in metal-oxide heterostructures with non-collinear magnetization
- Proximity Induced Vortices and Long-Range Triplet Supercurrents in Ferromagnetic Josephson Junctions and Spin Valves
- Effects of surface roughness on the paramagnetic response of small unconventional superconductors
- Periodic Co/Nb pseudo spin-valve for cryogenic memory
- Coexistence and tuning of spin-singlet and triplet transport in spin-filter Josephson junctions
- Superconducting Spintronics with Magnetic Domain Walls
- Robustness of Spin-Triplet Pairing and Singlet-Triplet Pairing Crossover in Superconductor/Ferromagnet Hybrids
- Observation of the dominant spin-triplet supercurrent in Josephson spin valves with strong Ni ferromagnets
- Crossover between short and long range proximity effects in SFS junctions with Ni-based ferromagnets
- Magnetization induced by odd-frequency spin-triplet Cooper pairs in a Josephson junction with metallic trilayers
- Magnetization Reversal by Tuning Rashba Spin-Orbit Interaction and Josephson Phase in a Ferromagnetic Josephson Junction
- Magnetoelectric effects in superconductor/ferromagnet bilayers
- Giant Mesoscopic Fluctuations and Long Range Superconducting Correlations in Superconductor--Ferromagnet structures
- Josephson current through a ferromagnetic bilayer: Beyond the quasiclassical approximation
- The long-range spin-singlet proximity effect for the Josephson system with single-crystal ferromagnet due to its band structure features
- Unraveling spin texture and spin-orbit coupling contributions in spin triplet superconductivity
- Interference phenomena in Josephson junctions with ferromagnetic bilayers: Spin-triplet correlations and resonances
- In situ transport characterization of magnetic states in Nb/Co superconductor/ferromagnet heterostructures
- Transport characterization of magnetic states in Superconductor/Ferromagnet Nb/Co multilayers
- Theoretical study of magnetism induced by proximity effect in a ferromagnetic Josephson junction with a normal metal
- Signatures of Long-Range Spin-Triplet Component in Andreev Interferometer
- Spin flip scattering engendered quantum spin torque in a Josephson junction