Thermal Field Theory and Generalized Light Front Coordinates

Abstract

The dependence of thermal field theory on the surface of quantization and on the velocity of the heat bath is investigated by working in general coordinates that are arbitrary linear combinations of the Minkowski coordinates. In the general coordinates the metric tensor $g_{\overline{\mu \nu }}$ is non-diagonal. The Kubo, Martin, Schwinger condition requires periodicity in thermal correlation functions when the temporal variable changes by an amount $-i/(T\sqrt{g_{\overline{00}}})$. Light front quantization fails since $g_{\overline{00}}=0$, however various related quantizations are possible.

10 pages

References in corpus (3)

• Light-front field theories at finite temperature
• Physics at the Light-Front
• The Heisenberg Matrix Formulation of Quantum Field Theory

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