2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/39810We have investigated the phase transition and disoriented chiral condensate domain formation in linear sigma model. Solving the equation of motion for the sigma model fields in contact with a heat bath, we have shown that the fields undergo phase transition above a certain critical temperature(T_c). It was also shown that when the fields thermalised at temperature above T_c are cooled down sufficiently rapidly, disoriented chiral condensate domains are formed quite late in the evolution.6 pages including 4 figuresHigh Energy Physics - Phenomenologytext