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Problems of perturbation series in non-equilibrium quantum field theories
In the standard framework of non-equilibrium quantum field theories, the pinch singularities associated to multiple products of \delta-functions do not cancel in a perturbative expansion unless the particle distributions are those for a system in thermal and chemical equilibrium.
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
1994
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(94)91021-9 http://cds.cern.ch/record/263770 |
| _version_ | 1780886460184920064 |
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| author | Altherr, T. Seibert, D. |
| author_facet | Altherr, T. Seibert, D. |
| author_sort | Altherr, T. |
| collection | CERN |
| description | In the standard framework of non-equilibrium quantum field theories, the pinch singularities associated to multiple products of \delta-functions do not cancel in a perturbative expansion unless the particle distributions are those for a system in thermal and chemical equilibrium. |
| id | cern-263770 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 1994 |
| record_format | invenio |
| spelling | cern-2637702023-03-14T20:44:27Zdoi:10.1016/0370-2693(94)91021-9http://cds.cern.ch/record/263770engAltherr, T.Seibert, D.Problems of perturbation series in non-equilibrium quantum field theoriesGeneral Theoretical PhysicsIn the standard framework of non-equilibrium quantum field theories, the pinch singularities associated to multiple products of \delta-functions do not cancel in a perturbative expansion unless the particle distributions are those for a system in thermal and chemical equilibrium.In the standard framework of non-equilibrium quantum field theories, the pinch singularities associated to multiple products of $\delta$-functions do not cancel in a perturbative expansion unless the particle distributions are those for a system in thermal and chemical equilibrium.In the standard framework of non-equilibrium quantum field theories, the pinch singularities associated to multiple products of δ-finctions do not cancel in a perturbative expansion unless the particle distributions are those for a system in thermal and chemical equilibrium.hep-ph/9405396CERN-TH-7271-94KSUCNR-008-94CERN-TH-7271-94KSU-CNR-94-008oai:cds.cern.ch:2637701994 |
| spellingShingle | General Theoretical Physics Altherr, T. Seibert, D. Problems of perturbation series in non-equilibrium quantum field theories |
| title | Problems of perturbation series in non-equilibrium quantum field theories |
| title_full | Problems of perturbation series in non-equilibrium quantum field theories |
| title_fullStr | Problems of perturbation series in non-equilibrium quantum field theories |
| title_full_unstemmed | Problems of perturbation series in non-equilibrium quantum field theories |
| title_short | Problems of perturbation series in non-equilibrium quantum field theories |
| title_sort | problems of perturbation series in non-equilibrium quantum field theories |
| topic | General Theoretical Physics |
| url | https://dx.doi.org/10.1016/0370-2693(94)91021-9 http://cds.cern.ch/record/263770 |
| work_keys_str_mv | AT altherrt problemsofperturbationseriesinnonequilibriumquantumfieldtheories AT seibertd problemsofperturbationseriesinnonequilibriumquantumfieldtheories |