Chiral properties of two-flavor QCD in small volume and at large lattice spacing

Details Chiral properties of two-flavor QCD in small volume and at large lattice spacing Chiral properties of two-flavor QCD in small volume and at large lattice spacing

2005-06-21

arxiv.org/abs/hep-lat/0506021v1

Phys.Rev. D72 (2005) 054503

Physics

High Energy Physics

High Energy Physics - Lattice

16 pages, 12 figures

Scientific paper

10.1103/PhysRevD.72.054503

We present results from simulations of two flavors of dynamical overlap fermions on 8^4 lattices at three values of the sea quark mass and a lattice spacing of about 0.16 fm. We measure the topological susceptibility and the chiral condensate. A comparison of the low-lying spectrum of the overlap operator with predictions from random matrix theory is made. To demonstrate the effect of the dynamical fermions, we compare meson two-point functions with quenched results. Algorithmic improvements over a previous publication and the performance of the algorithm are discussed.

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