Numerical simulation of coupling effect on electronic states in quantum wires A. Bouazra, S. Abdi-Ben Nasrallah, A. Poncet, Y. Bouazra and M. Said Eur. Phys. J. B, 67 2 (2009) 245-250 Published online: 20 January 2009 DOI: 10.1140/epjb/e2009-00014-x