Transport through quantum dots: a combined DMRG and embedded-cluster approximation studyF. Heidrich-Meisner, G. B. Martins, C. A. Büsser, K. A. Al-Hassanieh, A. E. Feiguin, G. Chiappe, E. V. Anda and E. DagottoEur. Phys. J. B, 67 4 (2009) 527-542DOI: https://doi.org/10.1140/epjb/e2009-00036-4