Two loop effective potential for < A^2_μ> in the Landau gauge in quantum chromodynamics

Details Two loop effective potential for < A^2_μ> in the Landau gauge in quantum chromodynamics Two loop effective potential for < A^2_μ> in the Landau gauge in quantum chromodynamics

2003-06-20

arxiv.org/abs/hep-th/0306200v1

JHEP 0311 (2003) 029

Physics

High Energy Physics

High Energy Physics - Theory

17 latex pages

Scientific paper

10.1088/1126-6708/2003/11/029

We construct the effective potential for the dimension two composite operator
1/2 A^{a 2}_\mu in QCD with massless quarks in the Landau gauge for an
arbitrary colour group at two loops. For SU(3) we show that an estimate for the
effective gluon mass decreases as N_f increases.

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