Conformal dynamics in gauge theories via non-perturbative renormalization group

Details Conformal dynamics in gauge theories via non-perturbative renormalization group Conformal dynamics in gauge theories via non-perturbative renormalization group

2007-04-27

arxiv.org/abs/0704.3659v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

27 pages, 12 Postscript figures, corrected typos and references

Scientific paper

The dynamics at the IR fixed point realized in the $SU(N_c)$ gauge theories with massless Dirac fermions is studied by means of the non-perturbative renormalization group. The analysis includes the IR fixed points with non-trivial Yukawa couplings. The renormalization properties of the scalar field are also discussed and it is shown that hierarchical mass scale may be allowed without intense fine-tuning due to a large anomalous dimension.

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