2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/87972In this thesis we use renormalization group methods to study the critical behaviour of the staggered F-model. This model is a six vertex model that can be used to calculate the thermodynamic properties of a facet of a BCC crystal in the (100) direction.55 pages, latex. Corrected some typos and simplified the free fermion expansionClassical PhysicsStatistical Mechanicstext