Exploration of SU(N_c) gauge theory with many Wilson fermions at strong coupling

Details Exploration of SU(N_c) gauge theory with many Wilson fermions at strong coupling Exploration of SU(N_c) gauge theory with many Wilson fermions at strong coupling

2009-08-02

arxiv.org/abs/0908.0166v1

Phys.Rev.D80:074508,2009

Physics

High Energy Physics

High Energy Physics - Lattice

15 pages, 11 figures

Scientific paper

10.1103/PhysRevD.80.074508

We explore aspects of the phase structure of SU(2) and SU(3) lattice gauge theories at strong coupling with many flavours $N_f$ of Wilson fermions in the fundamental representation. The pseudoscalar meson mass as a function of hopping parameter is observed to deviate from the expected analytic dependence, at least for sufficiently large $N_f$. Implications of this effect are discussed, including the relevance to recent searches for an infrared fixed point.

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