Orbital polarization in the Kohn-Sham-Dirac theory H. Eschrig, M. Sargolzaei, K. Koepernik and M. Richter Europhys. Lett., 72 4 (2005) 611-617 Published online: 19 October 2005 DOI: 10.1209/epl/i2005-10285-9