Logarithmic corrections to O(a) and O( $$a^2$$ a 2 ) effects in lattice QCD with Wilson or Ginsparg–Wilson quarks

Abstract We derive the asymptotic lattice spacing dependence $$a^n[2b_0\bar{g}^2(1/a)]^{\hat{\Gamma }_i}$$ a n [ 2 b 0 g ¯ 2 ( 1 / a ) ] Γ ^ i relevant for spectral quantities of lattice QCD, when using Wilson, $$\textrm{O}(a)$$ O ( a ) improved Wilson or Ginsparg–Wilson quarks. We give some example...

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