Topological susceptibility and the sampling of field space in $N_f=2$ lattice QCD simulations

Mattia Bruno; Rainer Sommer; Stefan Schaefer

Topological susceptibility and the sampling of field space in N_f=2 lattice QCD simulations

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arxiv 1406.5363 v2 pith:DSE2JUYX submitted 2014-06-20 hep-lat

Topological susceptibility and the sampling of field space in N_f=2 lattice QCD simulations

Mattia Bruno , Stefan Schaefer , Rainer Sommer This is my paper

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keywords susceptibilitytopologicalaccuracyagreesautocorrelationschiralcomputationcontinuum

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We present a measurement of the topological susceptibility in two flavor QCD. In this observable, large autocorrelations are present and also sizable cutoff effects have to be faced in the continuum extrapolation. Within the statistical accuracy of the computation, the result agrees with the expectation from leading order chiral perturbation theory.

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