arXiv:hep-lat/0510049·v1·High Energy Physics — Lattice
Meson correlators in a finite volume near the chiral limit
Hidenori Fukaya (1)🇯🇵 · Shoji Hashimoto (2 and 3)🇯🇵 · Kenji Ogawa (3) ((1) Yukawa Institute for Theoretical Physics, (2) High Energy Accelerator Research Organization, (3) The Graduate University for Advanced Studies)🇯🇵
Abstract
We report on the results of our calculation of meson correlators in a finite volume. The calculation is carried out in the quenched approximation near the chiral limit (down to Mq = 2.6 MeV) using the overlap fermion. For these small quark masses, the scalar and pseudo-scalar correlators are well approximated with a few hundred eigenmodes. The results for both connected and disconnected correlators are compared with the theoretical predictions of quenched chiral perturbation theory.
Comments: 6 pages