2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/147818The two-dimensional Potts Model with seven states under external field is studied using a cluster algorithm. Cluster size distribution and the fluctuations in the average cluster size provide helpful information on the order of phase transitions.8 pages, latex, 4 figuresHigh Energy Physics - LatticeCondensed Mattertext