Gluon propagators and center vortices at finite temperature

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Saito, T.
Chernodub, M. N.
Nakamura, Atsushi
Zakharov, V. I.
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Abstract
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We study influence of center vortices on infrared properties of gluons in the deconfinement phase of quenched QCD. We observe a significant suppression of the magnetic component of the gluon propagator in the low-momentum region after the vortices are removed from the gluon configurations. The propagator of the electric gluon stays almost unaffected by the vortex removal. Our results demonstrate that the center vortices are responsible for important nonperturbative properties of the magnetic component of the quark-gluon plasma.
Comment: 7 pages, 8 figures, talk presented at 27th International Symposium on Lattice Field Theory (Lattice 2009), Beijing, 26-31 Jul 2009
Keywords
High Energy Physics - Lattice, High Energy Physics - Phenomenology, High Energy Physics - Theory
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