Taylor expansion and the Cauchy Residue Theorem for finite-density QCD

Preprint number: CP3-Origins-2018-41 DNRF90
Authors: Benjamin Jäger (CP3-Origins & DIAS, University of Southern Denmark) and Philippe de Forcrand (ETH Zürich & CERN, Switzerland)

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We present an update on our efforts to determine the Taylor coefficients for finite-density QCD. Here, we explore alternatives based on the Cauchy Residue Theorem, which allows us to use to use a discrete contour to determine moments emerging in the Taylor expansion of QCD at zero chemical potential.