Non-perturbatively improved clover action for SU(2) gauge + fundamental and adjoint representation fermions

Details Non-perturbatively improved clover action for SU(2) gauge + fundamental and adjoint representation fermions Non-perturbatively improved clover action for SU(2) gauge + fundamental and adjoint representation fermions

2010-11-08

arxiv.org/abs/1011.1781v2

Physics

High Energy Physics

High Energy Physics - Lattice

7 Pages, Presented at the XXVIII International Symposium on Lattice Field Theory, Lattice2010 June 14-19, 2010 Villasimius, It

Scientific paper

The research of strongly coupled beyond-the-standard-model theories has generated significant interest in non-abelian gauge field theories with different number of fermions in different representations. Motivated by the increased interest to various technicolor scenarios, we study the non-perturbative improvement of the Wilson-clover action with SU(2) gauge fields and 2 flavors of fermions in the fundamental and adjoint representations. The Sheikholeslami-Wohlert coefficients are fixed using Schroedinger functional boundary conditions. The adjoint representation theory is a candidate for a "minimal technicolor" theory, already studied on the lattice using unimproved Wilson fermions.

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