Winding number transitions in the Mottola–Wipf model on a circle Original Research Article

Winding number transitions from quantum to classical behavior are studied in the case of the 1+1 dimensional Mottola–Wipf model with the space coordinate on a circle for exploring the possibility of obtaining transitions of second order. The model is also studied as a prototype theory which demonstrates the procedure of such investigations. In the model at hand we find that even on a circle the transitions remain those of first order.