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High Energy Physics - Phenomenology

arXiv:1602.09056 (hep-ph)
[Submitted on 29 Feb 2016]

Title:The relation between the NJL model and QCD with condensed gluons

Authors:Hiroaki Kohyama
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Abstract:We try to find the relation between the three-flavor Nambu-Jona-Lasinio model and QCD based on the hypothesis that the gluon momenta are sharply condensed around the QCD scale, \mu_g. We find that the effective four- and six-fermion interactions, G_4 and G_6, should be scaled by G_4 proportional to \mu_g^(-2) and G_6 proportional to \mu_g^(-5) being consistent with the mass dimension counting in the obtained effective Lagrangian. We then study the \mu_g dependence on the phase diagram of the chiral phase transition at finite temperature and chemical potential and the location of the critical point. We find that the location of the critical point are sensitively affected by the value of the introduced gluon energy scale.
Comments: 5 pages, 2 figures
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1602.09056 [hep-ph]
  (or arXiv:1602.09056v1 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1602.09056

Submission history

From: Hiroaki Kohyama [view email]
[v1] Mon, 29 Feb 2016 17:26:18 UTC (22 KB)
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