Infrared behavior and fixed points in Landau-gauge QCD
We investigate the infrared behavior of gluon and ghost propagators in Landau-gauge QCD by means of an exact renormalization group equation. We explain how, in general, the infrared momentum structure of Green functions can be extracted within this approach. An optimization procedure is devised to r...
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| Hauptverfasser: | , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
7 October 2004
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| In: |
Physical review letters
Year: 2004, Jahrgang: 93, Heft: 15 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.93.152002 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevLett.93.152002 Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.93.152002 
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| Verfasserangaben: | Jan M. Pawlowski, Daniel F. Litim, Sergei Nedelko, and Lorenz von Smekal |
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| 245 | 1 | 0 | |a Infrared behavior and fixed points in Landau-gauge QCD |c Jan M. Pawlowski, Daniel F. Litim, Sergei Nedelko, and Lorenz von Smekal |
| 264 | 1 | |c 7 October 2004 | |
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| 520 | |a We investigate the infrared behavior of gluon and ghost propagators in Landau-gauge QCD by means of an exact renormalization group equation. We explain how, in general, the infrared momentum structure of Green functions can be extracted within this approach. An optimization procedure is devised to remove residual regulator dependences. In Landau-gauge QCD this framework is used to determine the infrared leading terms of the propagators. The results support the Kugo-Ojima confinement scenario. Possible extensions are discussed. | ||
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