Renormalization Of High-Energy Lorentz Violating Four Fermion Models

Details Renormalization Of High-Energy Lorentz Violating Four Fermion Models Renormalization Of High-Energy Lorentz Violating Four Fermion Models

2010-02-13

arxiv.org/abs/1002.2704v2

Phys.Rev.D81:085043,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

24 pages; v2: typos corrected, more details and some expanded comments, PRD published version

Scientific paper

10.1103/PhysRevD.81.085043

We study the one-loop renormalization of high-energy Lorentz violating four fermion models. We derive general formulas and then consider a number of specific models. We study the conditions for asymptotic freedom and give a practical method to determine the asymptotic-freedom domain. We also point out that in some models the RG flow contains "rational" Zimmermann trajectories that might hide new symmetries.

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