@article {9914, title = {Nonvanishing spin Hall currents in disordered spin-orbit coupling systems}, journal = {Physical Review B - Condensed Matter and Materials Physics}, year = {2005}, doi = {10.1103/PhysRevB.71.041304}, author = {K. Nomura and Jairo Sinova and T. Jungwirth and Q. Niu and A.H. MacDonald} }