Metastabilities in three-flavor QCD at low quark masses

Gavai, R. V. ; Potvin, J. ; Sanielevici, S. (1987) Metastabilities in three-flavor QCD at low quark masses Physical Review Letters, 58 (24). pp. 2519-2522. ISSN 0031-9007

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Using a Langevin algorithm to incorporate low-mass dynamical quarks, we simulate QCD with three light flavors on an 83× 4 lattice. We find clear metastabilities in lattice measurables at a quark mass of 0.025 in lattice units, whereas earlier analyses at 4 times the mass above did not prove their presence. Our results suggest a first-order chiral phase transition in three-flavor QCD. We also confirm the presence of a stronger first-order transition with four flavors and indicate the possibility of a weaker first-order transition with two flavors.

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Source:Copyright of this article belongs to American Physical Society.
ID Code:14097
Deposited On:12 Nov 2010 09:07
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