The microscopic Twisted Mass Dirac spectrum and the spectral determination of the LECs of Wilson $\chi$-PT
2016
We present the comparison of the analytical microscopic spectral density for lattice QCD with Nf = 2 twisted mass fermions with the one obtained on the lattice utilizing configurations produced by the ETM collaboration. We extract estimates for the chiral condensate as well as the low-energy constant W8 of Wilson χ-PT by employing spectral information of the Wilson Dirac operator with fixed index at finite volume.
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