Non-equilibrium spin accumulation in ferromagnetic single-electron transistors A. Brataas, Yu. V. Nazarov, J. Inoue and G. E.W. Bauer Eur. Phys. J. B, 9 3 (1999) 421-430 Published online: 15 June 1999 DOI: 10.1007/s100510050784