Slave-boson mean-field theory of the Mott transition in the two-band Hubbard modelA. Rüegg, M. Indergand, S. Pilgram and M. SigristEur. Phys. J. B, 48 1 (2005) 55-64DOI: https://doi.org/10.1140/epjb/e2005-00382-1