Non-Abelian field strength bilocal correlator at finite temperature in the model of dilute instanton gas
arXiv:hep-ph/0405007 · doi:10.1088/1126-6708/2004/07/007
Abstract
Bilocal correlator in gluodynamics is evaluated at finite temperature in the framework of instanton gas model. It is demonstrated that vacuum correlation length decreases with a growing temperature. Obtained results are compared with lattice data for the bilocal correlator at finite temperature. Density of instantons and possible structures of nonperturbative vacuum are discussed.
arXiv comment10 pages, 4 figures; discussions and references added
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