Vector potential gauge for superconducting regular polygons L. F. Chibotaru, A. Ceulemans, G. Teniers, V. Bruyndoncx and V. V. Moshchalkov Eur. Phys. J. B, 27 3 (2002) 341-346 Published online: 06 June 2002 DOI: 10.1140/epjb/e2002-00164-3