Quantum corrections to the conductance of a square quantum dot with soft confinement T. Ouchterlony, I. V. Zozoulenko, C.-K. Wang, K.-F. Berggren, C. Gould and A. S. Sachrajda Eur. Phys. J. B, 10 2 (1999) 361-370 Published online: 15 July 1999 DOI: 10.1007/s100510050865