Vortex Interactions in 2 x 2 Antidot Clusters T. Puig, E. Rosseel, L. Van Look, M. Baert, M. J. Van Bael, R. Jonckheere, V. V. Moshchalkov et Y. BruynseraedeJ. Phys. IV France, 06 C3 (1996) C3-295-C3-300DOI: https://doi.org/10.1051/jp4:1996345