Finite-size scaling for two-flavor QCD and comparison with O(N) models

Details Finite-size scaling for two-flavor QCD and comparison with O(N) models Finite-size scaling for two-flavor QCD and comparison with O(N) models

2001-11-22

arxiv.org/abs/hep-lat/0111044v1

Physics

High Energy Physics

High Energy Physics - Lattice

2 pages and 2 figures; poster presented at Statistical QCD, Bielefeld, August 26-30, 2001

Scientific paper

The chiral transition for two-flavor QCD is predicted to be in the same universality class as the 3d O(4) model. This prediction is verified in the Wilson case, but not for the staggered-fermion case. The comparison is usually done assuming infinite-volume behavior. Here we make an analysis of existing staggered-fermion data using finite-size scaling and normalizing the QCD data. We find better agreement for larger quark masses.

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