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What's up with IR gluon and ghost propagators in Landau gauge? An answer from huge lattices
Proceedings of The XXV International Symposium on Lattice Field Theory — PoS(LATTICE 2007)
Several analytic approaches predict for SU(N c )Yang-Mills theories in Landau gauge an enhanced ghost propagator G(p 2 )and a suppressed gluon propagator D(p 2 )at small momenta. This prediction applies to two, three and four space-time dimensions. Moreover, the gluon propagator is predicted to be null at p = 0. Numerical studies by several groups indeed support an enhanced ghost propagator when compared to the tree-level behavior 1=p 2 and a finite infrared gluon propagator. However, thedoi:10.22323/1.042.0297 fatcat:kcqds4lwbnh4flue4lpic4yptm