Friday, January 18, 2013

1301.4141 (Gennady Voronov)

Lattice Study of the Extent of the Conformal Window in Two-Color
Yang-Mills Theory

Gennady Voronov
We perform a lattice calculation of the Schr\"odinger functional running coupling in SU(2) Yang-Mills theory with six massless Wilson fermions in the fundamental representation. The aim of this work is to determine whether the above theory has an infrared fixed point. Due to sensitivity of the $SF$ renormalized coupling to the tuning of the fermion bare mass we were unable to reliably extract the running coupling for stronger bare couplings.
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