Exact electronic transport in an alternating A/B quantum dot array X. H. Lu, B. H. Teng, H. Liu, Z. X. Lu and Y. H. Rong Eur. Phys. J. B, 72 4 (2009) 497-502 Published online: 07 November 2009 DOI: 10.1140/epjb/e2009-00379-8