Mott-Hubbard transition in the mass-imbalanced Hubbard modelMarie-Therese Philipp, Markus Wallerberger, Patrik Gunacker and Karsten HeldEur. Phys. J. B, 90 6 (2017) 114DOI: https://doi.org/10.1140/epjb/e2017-80115-7