Semiclassical approximation for the partition function in QFT
In this paper we discuss the semiclassical approximation for the thermodynamics of scalar fields. We construct a semiclassical propagator in terms of two solutions of an ordinary differential equation. The main result is an analytic (non-perturbative) expression for the partition function written in...
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| Veröffentlicht in: | Brazilian Journal of Physics |
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| Hauptverfasser: | , , , |
| Format: | Artigo |
| Sprache: | Inglês |
| Veröffentlicht: |
Sociedade Brasileira de Física
2007
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| Schlagworte: | |
| Online-Zugang: | https://www.redalyc.org/articulo.oa?id=46413544011 |
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