Speaker
Keiichi Nagai
(KEK, Theory Center)
Description
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 and the quark mass as a function of hopping parameter
are observed to deviate from the expected analytic dependence, at least for sufficiently large $N_f$.
Implications of this effect and the phase structure about the existence or non-existence of Aoki phase are discussed,
including the relevance to recent searches for the conformal window.
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Primary author
Keiichi Nagai
(KEK, Theory Center)
Co-authors
Ms
Gergana Koleva
(York university)
Ms
Maria Georgina Carrillo-Ruiz
(York university)
Prof.
Randy Lewis
(York university)
