Spin transport in diffusive superconductors
Abstract
We employ the Keldysh formalism in the quasiclassical approximation to study transport in a diffusive superconductor. The resulting 4×4 transport equations describe the flow of charge and energy as well as the corresponding flow of spin and spin energy. Spin-flip scattering due to magnetic impurities is included. We find that the spin-flip length is renormalized in the superconducting case and propose an experimental system to measure the spin accumulation in a superconductor.
- Publication:
-
Physical Review B
- Pub Date:
- December 2004
- DOI:
- arXiv:
- arXiv:cond-mat/0401580
- Bibcode:
- 2004PhRvB..70u2508M
- Keywords:
-
- 74.25.Fy;
- 72.25.Hg;
- 72.25.Ba;
- Transport properties;
- Electrical injection of spin polarized carriers;
- Spin polarized transport in metals;
- Superconductivity
- E-Print:
- 5 pages, 2 figures