The Unique Derivative Expansion for Thermal Effective Actions

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I show that there is a unique and well behaved derivative expansion of an effective action at finite temperature. The result is true for all formalisms including the popular Closed Time Path and Imaginary Time methods.
RevTeX, 4 pages, 3 Feynman diagrams as eps files. Talk given at TFT98 - the 5th Workshop on Thermal Field Theories and their applications, Regensburg, Germany, 10th-14th August 1998

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/48154

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/9808383
 http://arxiv.org/abs/hep-ph/9808383

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arXiv