Self-consistent treatment of coupled superconducting grains in a magnetic field

Starting from the mean-field-approximation, we calculate the thermodynamic properties of weakly coupled superconducting grains in a magnetic field. We treat the induced field self-consistently Quantitative predictions include the field dependence of the critical line Tc(H), the magnetization and the distribution of the induced field. Recent experiments on high-Tc materials confirm these predictions. © 1988, Elsevier Science Publishers B.V.. All rights reserved.