Meson correlators in a finite volume near the chiral limit
  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. 
Hidenori Fukaya (1), Shoji Hashimoto (2 and 3), Kenji Ogawa (3) ((1)   Yukawa Institute for Theoretical Physics, (2) High En...