Meson correlators in a finite volume near the chiral limit

(2) High Energy Accelerator Research Organization; 3); (3) The Graduate University for Advanced Studies); Hidenori Fukaya (1); Kenji Ogawa (3) ((1) Yukawa Institute for Theoretical Physics; Shoji Hashimoto (2

arxiv: hep-lat/0510049 · v1 · submitted 2005-10-07 · ✦ hep-lat

Meson correlators in a finite volume near the chiral limit

Hidenori Fukaya (1) , Shoji Hashimoto (2 , 3) , Kenji Ogawa (3) ((1) Yukawa Institute for Theoretical Physics , (2) High Energy Accelerator Research Organization , (3) The Graduate University for Advanced Studies) This is my paper

classification ✦ hep-lat

keywords correlatorschiralcalculationfinitelimitmesonnearquenched

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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.

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Meson correlators in a finite volume near the chiral limit

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