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24 April 2024

» arxiv » hep-lat/0209009

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The quark mass and $mu$ dependence of the QCD chiral critical point
Ch. Schmidt ; C.R. Allton ; S. Ejiri ; S.J. Hands ; O. Kaczmarek ; F. Karsch ; E. Laermann ;
Date:	2 Sep 2002
Subject:	hep-lat
Abstract:	In order to study the QCD chiral critical point we investigate Binder Cumulants of the chiral condensate. The results were obtained from simulations of 3 and 2+1 flavors of standard staggered fermions and 3 flavors of p4 improved staggered fermions. The quark masses used are close to the physical quark mass. To extract the dependence on quark mass and chemical potential we apply a new reweighting technique based on a Taylor expansion of the action. The reweighting accuracy is ${cal O}(m)$ for the standard and ${cal O}(m^2)$, ${cal O}(mu^2)$ for the p4 action.
Source:	arXiv, hep-lat/0209009
Other source:	[GID 713259] hep-lat/0209009
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