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Critical behavior towards the chiral limit at vanishing and non-vanishing chemical potentials

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arxiv 2112.15398 v1 pith:KKJSQQ4A submitted 2021-12-31 hep-lat hep-phnucl-th

Critical behavior towards the chiral limit at vanishing and non-vanishing chemical potentials

classification hep-lat hep-phnucl-th
keywords chirallimittowardsbehaviorchemicalscalingaboveanalyse
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We study the scaling behavior of the (2+1)-flavor QCD crossover region towards the chiral limit with smaller-than-physical light quark mass gauge ensembles, generated using the HISQ fermion discretization. At zero chemical potential, we study the fluctuations of conserved charges and their correlations with the chiral condensate, towards the chiral limit. We analyse the role of universal and regular contributions to the above quantities. We find a preliminary estimate of the leading curvature coefficient of the chiral phase transition line using scaling arguments.

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