A determination of <A^2> and the non-perturbative vacuum energy of Yang-Mills theory in the Landau gauge

D. Dudal; H. Verschelde; J. A. Gracey; R. E. Browne

arxiv: hep-th/0302128 · v3 · submitted 2003-02-17 · ✦ hep-th

A determination of <A²> and the non-perturbative vacuum energy of Yang-Mills theory in the Landau gauge

D. Dudal , H. Verschelde , R. E. Browne , J. A. Gracey This is my paper

classification ✦ hep-th

keywords condensateenergygaugegluonlandaumasstheoryvacuum

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We discuss the 2-point-particle-irreducible (2PPI) expansion, which sums bubble graphs to all orders, in the context of SU(N) Yang-Mills theory in the Landau gauge. Using the method we investigate the possible existence of a gluon condensate of mass dimension two, <A^2>, and the corresponding non-zero vacuum energy. This condensate gives rise to a dynamically generated mass for the gluon.

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A determination of <A²> and the non-perturbative vacuum energy of Yang-Mills theory in the Landau gauge

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