2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/54660Physical aspects of the thermofield dynamics of the D=10 heterotic string theory are exemplified through the infrared behaviour of the one-loop dual symmetric cosmological constant in association with the global phase structure of the thermal string ensemble.8 pages, LatexHigh Energy Physics - TheoryThermofield Dynamics of the Heterotic String -- Global Phase Structuretext