San-Jose, P.; Herrero, C. P.; Guinea, F.; Arovas, D. P. - In: The European Physical Journal B - Condensed Matter and … 54 (2006) 3, pp. 309-314
We study the effect of strong antiferromagnetic exchange interactions in metallic grains in the Coulomb blockade regime. These interactions can be large in superconducting systems or in metallic antiferromagnetic particles. We extend the standard description of the grain in terms of a single...