Abreu, L.M.; Malbouisson, A.P.C.; Roditi, I. - In: Physica A: Statistical Mechanics and its Applications 331 (2004) 1, pp. 99-108
We investigate the minimal size of small superconducting grains by means of a Ginzburg–Landau model confined to a sphere of radius R. This model is supposed to describe a material in the form of a ball, whose transition temperature when presented in bulk form, T0, is known. We obtain an...