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Topological susceptibility in (2+1)-flavor lattice QCD with overlap fermion
T. W. Chiu, S. Aoki, S. Hashimoto +6
We determine the topological susceptibility χ_t in the topologically-trivial sector generated by lattice simulations of N_f = 2+1 QCD with overlap Dirac fermion, on a 16^3 x 48 lat…
Physics results from dynamical overlap fermion simulations
Shoji Hashimoto
I summarize the physics results obtained from large-scale dynamical overlap fermion simulations by the JLQCD and TWQCD collaborations. The numerical simulations are performed at a…
Calculation of the nucleon sigma term and strange quark content with two flavors of dynamical overlap fermions
H. Ohki, H. Fukaya, S. Hashimoto +5
We present a calculation of the nucleon sigma term on two-flavor QCD configurations with dynamical overlap fermions. We analyse the lattice data for the nucleon mass using the bary…
Topological susceptibility in 2-flavor lattice QCD with fixed topology
T. W. Chiu, S. Aoki, H. Fukaya +8
We determine the topological susceptibility in the trivial topological sector generated by lattice simulations of two-flavor QCD with overlap Dirac fermion, on a $16^3 \tim…
S-parameter and pseudo-Nambu-Goldstone boson mass from lattice QCD
E. Shintani, S. Aoki, H. Fukaya +6
We present a lattice calculation of , one of the low energy constants in Chiral Perturbation Theory, and the charged-neutral pion squared mass splitting, using dynamical ov…
Two-flavor QCD simulation with exact chiral symmetry
JLQCD Collaboration, S. Aoki, H. Fukaya +11
We perform numerical simulations of lattice QCD with two flavors of dynamical overlap quarks, which have exact chiral symmetry on the lattice. While this fermion discretization is…