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Title:
Determining the topological susceptibility in lattice QCD at nonzero temperature
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Abstract:
We would like to present an overview of recent determinations of the topological suceptibility in lattice QCD using (and comparing) various smoothing methods, in particular the gradient flow. How the latter works will be first demonstrated in the simple one-dimensional quantum mechanical case of an (un)harmonic oscillator. Finally we will focus on the topological susceptibility in full QCD with flavor number N_f=2 and the more realistic case 2+1+1 at non-zero temperature.
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