Comment on "The QCD axion beyond the classical level: A lattice study"
arXiv:1802.10074
Abstract
We rebut the claim by Nakamura and Schierholz [1] that the mass of a potential axion needs to be no less than ~230MeV pointing out errors in both their analytic argument and numerical simulations.
2 page, no figure. Comment on arXiv:1802.09339