Conductance of a large point contact with Rashba effect V. Marigliano Ramaglia, D. Bercioux, V. Cataudella, G. De Filippis, C. A. Perroni and F. Ventriglia Eur. Phys. J. B, 36 3 (2003) 365-375 Published online: 23 December 2003 DOI: 10.1140/epjb/e2003-00355-4