211 citations · 1.8k across the 55 of their papers we have counts for
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hep-ph2016★ 109 cited
A Visible QCD Axion from an Enlarged Color Group
Tony Gherghetta, Natsumi Nagata, Mikhail Shifman
We consider the possibility of an enlarged QCD color group, SU(3+) spontaneously broken to SU(3)SU() with extra vector-like quarks transforming in the…
hep-ph2016★ 4 cited
Dynamically Emergent Flavor in a Confining Theory with Unbroken Chiral Symmetry
M. Shifman
I discuss "truncated" QCD studied recently by Glozman et al. through numerical simulations. For two flavors it was observed that truncation restores the full chiral U(2)\times U(2)…