Derivative expansions of Euclidean thermal effective actions

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I compute the derivative expansion of an effective action at finite temperature using the imaginary time approach. I show that it is a well behaved expansion giving a unique seriers contrary to previous results. This disparity is shown to originate in the choice of thermal Green functions used in the calculations.
RevTeX, 4 pages, no figures

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/48153

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/9808382
 http://arxiv.org/abs/hep-ph/9808382

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arXiv