Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-12-23
Phys.Rev.D70:114503,2004
Physics
High Energy Physics
High Energy Physics - Phenomenology
32 pagex, 6 figures
Scientific paper
10.1103/PhysRevD.70.114503
We trace here instantons through the analysis of pure Yang-Mills gluon Green functions in the Landau gauge for a window of IR momenta (0.4 GeV $< k < 0.9$ GeV). We present lattice results that can be fitted only after substituting the BPST profile in the Instanton liquid model (ILM) by one based on the Diakonov and Petrov variational methods. This also leads us to gain information on the parameters of ILM.
Boucaud Ph.
Leroy J.-P.
Micheli J.
Pene Olivier
Rodríguez-Quintero José
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