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Gauge Invariance of Resummation Schemes: The QCD Partition Function

We pick up a method originally developed by Cheng and Tsai for vacuum perturbation theory which allows to test the consistency of different sets of Feynman rules on a purely diagrammatic level, making explicit loop calculations superfluous. We generalize it to perturbative calculations in thermal fi...

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Detalles Bibliográficos
Autores principales: Achhammer, M., Heinz, Ulrich W., Leupold, S., Wiedemann, U.A.
Lenguaje:eng
Publicado: 1996
Materias:
Acceso en línea:https://dx.doi.org/10.1006/aphy.1997.5730
http://cds.cern.ch/record/316166