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Topological susceptibility from twisted mass fermions using spectral projectors (1312.3535v1)
Published 12 Dec 2013 in hep-lat
Abstract: We discuss the computation of the topological susceptibility using the method of spectral projectors and dynamical twisted mass fermions. We present our analysis concerning the O(a)-improvement of the topological susceptibility and we show numerical results for Nf=2 and Nf=2+1+1 flavours, performing a study of the quark mass dependence in terms of leading order chiral perturbation theory.
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