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09 December 2022
 
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Gluons in the lattice SU(2) classical field
Ying Chen ; Ji-Min Wu ; Bing He ;
Date 27 Jul 2000
Subject hep-lat
AbstractThe SU(2) gluonic correlation functions, glueball effective masses in the $J^{P}=0^{+}$, $2^{+}$ and $0^{-}$ channels were calculated from the lattice classical gauge configurations which were obtained by smoothing the thermal gauge configurations through the improved cooling method. The instanton-induced attractive force in the $0^{+}$ channel and the repulsive force in the $0^-$ channel are confirmed in the Monte Carlo simulation. There is evidence that the instanton vacuum contribution to the $0^+$ glueball mass is significant.
Source arXiv, hep-lat/0007040
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