Parametrization of Fully Dressed Quark Propagator
Based on an extensive study of the Dyson-Schwinger equations for a fully dressed quark propagator in the “rainbow” approximation, a parametrized form of the quark propagator is suggested. The corresponding quark selfenergy ∑f and the structure of non-local quark vacuum condensate are investigated....
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| Veröffentlicht in: | Communications in theoretical physics 2005-01, Vol.43 (1), p.147-150 |
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| Format: | Artikel |
| Sprache: | eng |
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| Online-Zugang: | Volltext |
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| Zusammenfassung: | Based on an extensive study of the Dyson-Schwinger equations for a fully dressed quark propagator in the “rainbow” approximation, a parametrized form of the quark propagator is suggested. The corresponding quark selfenergy ∑f and the structure of non-local quark vacuum condensate are investigated. The algebraic form of the quark propagator proposed in this work describes a confining quark propagation, and is quite convenient to be used in any numerical calculations. |
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| ISSN: | 0253-6102 |
| DOI: | 10.1088/0253-6102/43/1/028 |