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Gibbs average in the functional formulation of quantum field theory
A new formulation of the Euclidean functional approach to quantum field theory is proposed. It is based on functional integration over a Gibbs ensemble. This automatically ensures invariance with respect to general field transformations. The new momenta conjugate to the field variables perform natur...
| Autores principales: | , , |
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| Lenguaje: | eng |
| Publicado: |
1981
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(81)91205-3 http://cds.cern.ch/record/134404 |