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Gluon Correlators in the Kogan-Kovner Model | | B. M. Gripaios
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26 Apr 2002 | | Journal: | Int.J.Mod.Phys. A18 (2003) 85-96 | | Subject: | hep-ph hep-th | | Affiliation: | Oxford | | Abstract: | The Lorentz-invariant gluon correlation functions, corresponding to scalar and pseudo-scalar glueballs, are calculated for Kogan’s and Kovner’s variational ansatz for the pure SU(N) Yang-Mills wavefunctional. One expects that only one dynamical mass scale should be present in QCD; the ansatz generates the expected scale for both glueballs, as well as an additional scale for the scalar glueball. The additional mass scale must therefore vanish, or be close to the expected one. This is shown to constrain the nature of the phase transition in the Kogan-Kovner ansatz. | | Source: | arXiv, hep-ph/0204310 | | Services: | Forum | Review | PDF | Favorites | |
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