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### The quark mass and μ dependence of the QCD chiral critical point / C. Schmidt, E. Laermann, F. Karsch, S.J. Hands, O. Kaczmarek, S. Ejiri, Chris Allton

Nuclear Physics B - Proceedings Supplements, Volume: 119, Pages: 517 - 519

Swansea University Author:

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DOI (Published version): 10.1016/S0920-5632(03)01601-3

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 qu...

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Published in: Nuclear Physics B - Proceedings Supplements 09205632 2003 https://cronfa.swan.ac.uk/Record/cronfa28425 No Tags, Be the first to tag this record!
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. College of Science 517 519