Geometric Background for Thermal Field Theories
Massimo Blasone, Yuan-Xing Gui, Francis Vendrell
Abstract
We study a new spacetime which is shown to be the general geometrical background for Thermal Field Theories at equilibrium. The different formalisms of Thermal Field Theory are unified in a simple way in this spacetime. The set of time-paths used in the Path Ordered Method is interpreted in geometrical terms.
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