Light meson spectrum with $N_f=2$ dynamical overlap fermions

Details Light meson spectrum with $N_f=2$ dynamical overlap fermions Light meson spectrum with $N_f=2$ dynamical overlap fermions

2007-10-04

arxiv.org/abs/0710.0929v1

PoSLAT2007:126,2007

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 9 figures, contribution to XXV International Symposium on Lattice Field Theory, July 2007, Regensburg

Scientific paper

We present numerical simulation of QCD with two dynamical quark flavors described by the overlap fermion action on a $16^3\times 32\times (0.12 {\rm fm})^4$ lattice. We calculate pseudo-scalar masses and decay constants and investigate their chiral properties. We test the consistency of our data with the two-loop chiral perturbation theory predictions, which should also be valid at finite lattice spacings because of the exact chiral symmetry, including the finite size effects.

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