MCRG study of 12 fundamental flavors with mixed fundamental-adjoint gauge action

Details MCRG study of 12 fundamental flavors with mixed fundamental-adjoint gauge action MCRG study of 12 fundamental flavors with mixed fundamental-adjoint gauge action

2011-12-28

arxiv.org/abs/1112.6146v1

Physics

High Energy Physics

High Energy Physics - Lattice

Contribution to the The XXIX International Symposium on Lattice Field Theory - Lattice 2011, July 10-16, 2011, Squaw Valley, L

Scientific paper

I discuss the infrared behavior of the SU(3) gauge model with 12 fundamental fermions. Using a Monte Carlo renormalization group technique I investigate the fixed point structure in the chiral limit and show that this system has an infrared fixed point and consequently conformal infrared dynamics. I am able to reach the FP by using a new analysis method for the 2-lattice matching MCRG technique that significantly reduces finite volume effects and by choosing a lattice action that avoids a spurious ultraviolet fixed point created by strong coupling lattice artifacts.

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