Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1999-09-12
Nucl.Phys.Proc.Suppl. 83 (2000) 419-421
Physics
High Energy Physics
High Energy Physics - Lattice
Talk given at International Symposium on Lattice Field Theory (LATTICE 99), Pisa, 29 June - 3 July 1999
Scientific paper
We study the properties of gluons in QCD in the maximally abelian (MA) gauge. In the MA gauge, the off-diagonal gluon behaves as the massive vector boson with the mass $\Meff \simeq 1.2 {\rm GeV}$, and therefore the off-diagonal gluon cannot carry the long-range interaction for $r \gg \Meff^{-1} \simeq 0.2$ fm. The essence of the infrared abelian dominance in the MA gauge is physically explained with the generation of the off-diagonal gluon mass $\Meff \simeq 1.2 {\rm GeV}$ induced by the MA gauge fixing, and the off-diagonal gluon mass generation would predict general infrared abelian dominance in QCD in the MA gauge. We report also the off-diagonal gluon propagator at finite temperature.
Amemiya Kazuhisa
Suganuma Hideo
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