2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/219139The transition from n = 0 to n = 2 is revealed where n is the number of components of ordering field. The critical exponents are estimated. In frameworks of scaling theory of phase transitions and critical phenomena the results obtained are in a good agreement with experimental and theoretical data.4 pages, 1 figureMaterials ScienceStatistical Mechanicstext