Non-equilibrium spin-current induced by random Rashba field - A semi-classical approach Arash Phirouznia and Vahideh Tolouei Gavgani Eur. Phys. J. Appl. Phys., 65 2 (2014) 20601 Published online: 14 February 2014 DOI: 10.1051/epjap/2013130310