Transport through quantum dots: a combined DMRG and embedded-cluster approximation study F. Heidrich-Meisner, G. B. Martins, C. A. Büsser, K. A. Al-Hassanieh, A. E. Feiguin, G. Chiappe, E. V. Anda and E. Dagotto Eur. Phys. J. B, 67 4 (2009) 527-542 Published online: 10 February 2009 DOI: 10.1140/epjb/e2009-00036-4