2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/46011The thermal average of the Polyakov line is non-zero at high temperature. It has been suggested that its phase could be relevant for baryogenesis within the standard model, providing a source of spontaneously broken CP violation. This scenario suffers from a causal domain problem which cannot be cured by inflation: quantum fluctuations in de Sitter space overwhelm the periodicity of the potential.20 pages, Latex2eHigh Energy Physics - PhenomenologyAstrophysicstext