Conformal Phase Transition and Fate of the Hidden Local Symmetry in Large N_f QCD

Details Conformal Phase Transition and Fate of the Hidden Local Symmetry in Large N_f QCD Conformal Phase Transition and Fate of the Hidden Local Symmetry in Large N_f QCD

1999-06-22

arxiv.org/abs/hep-ph/9906445v2

Phys.Rev.Lett. 83 (1999) 3374-3377

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 Pages (RevTeX), 3 PS figures are included Minor corrections are made for the introductory part. This is the version to appea

Scientific paper

10.1103/PhysRevLett.83.3374

It is observed that the Hidden Local Symmetry (HLS) for the vector mesons in the ordinary QCD with smaller N_f plays the role of the "Higgsed magnetic gauge symmetry" for the Seiberg duality in the SUSY QCD. For large N_f where the conformal phase transition with chiral restoration and deconfinement is expected to take place, we find that the HLS model also exhibits the chiral restoration by the loop corrections (including the quadratic divergence) in a manner similar to that in the CP^{N-1} model, provided that the bare HLS Lagrangian respects the Georgi's vector limit at a certain N_f (\approx 7).

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