468 citations · 2.9k across the 100 of their papers we have counts for
101 papers · 1 filter
from kaon semileptonic form factor in QCD at the physical point on (10 fm)
Takeshi Yamazaki, Ken-ichi Ishikawa, Naruhito Ishizuka +5
We present a preliminary result of the kaon semileptonic form factor calculated at the smallest lattice spacing in the PACS10 configurations, whose physical volumes are more than (…
The International Lattice Data Grid -- towards FAIR Data
Frithjof Karsch, Hubert Simma, Tomoteru Yoshie
The International Lattice Data Grid (ILDG) is a community-wide initiative to realize the sharing of primary data from lattice QCD simulations according to the principles of FAIR da…
Calculation of kaon semileptonic form factor with the PACS10 configuration
Takeshi Yamazaki, Ken-ichi Ishikawa, Naruhito Ishizuka +6
We present preliminary results for the kaon semileptonic form factors using the PACS10 configurations, whose physical volume is more than (10 fm) at the physical point with the…
Finite size effect on vector meson and baryon sectors in 2+1 flavor QCD at the physical point
K. -I. Ishikawa, N. Ishizuka, Y. Kuramashi +7
We investigate the finite size effect on the vector meson and the baryon sectors using a subset of the "PACS10" configurations which are generated, keeping the space-time volumes o…
Finite size effect on pseudoscalar meson sector in 2+1 flavor QCD at the physical point
K. -I. Ishikawa, N. Ishizuka, Y. Kuramashi +6
We investigate the finite size effect on pseudoscalar meson masses and decay constants using a subset of the "PACS10" configurations which are generated keeping the space-time volu…
Nature of chiral phase transition in two-flavor QCD
K. -I. Ishikawa, Y. Iwasaki, Yu Nakayama +1
We investigate the nature of the chiral phase transition in the massless two-flavor QCD using the renormalization group improved gauge action and the Wilson quark action on $32^3\t…
RG scaling relations at chiral phase transition in two-flavor QCD
K. -I. Ishikawa, Y. Iwasaki, Yu Nakayama +1
We investigate the nature of the chiral phase transition in the massless two-flavor QCD using the renormalization group improved gauge action and the Wilson quark action on $32^3\t…
2+1 flavor QCD simulation on a lattice
K. -I. Ishikawa, N. Ishizuka, Y. Kuramashi +6
We generate flavor QCD configurations near the physical point on a lattice employing the 6-APE stout smeared Wilson clover action with a nonperturbative a…
Mass and Axial current renormalization in the Schrödinger functional scheme for the RG-improved gauge and the stout smeared -improved Wilson quark actions
K. -I. Ishikawa, N. Ishizuka, Y. Kuramashi +6
We present the quark mass and axial current renormalization factors for the RG-improved Iwasaki gauge action and three flavors of the stout smeared -improved Wilson quark act…
Study of the conformal region of the SU(3) gauge theory with domain-wall fermions
J. Noaki, G. Cossu, K-I. Ishikawa +2
We investigate the phase structure of the SU(3) gauge theory with by numerical simulations employing the massless Domain-Wall fermions.Our aim is to study directly the mass…
Non-trivial Center Dominance in High Temperature QCD
K. -I. Ishikawa, Y. Iwasaki, Yu Nakayama +1
We investigate the properties of quarks and gluons above the chiral phase transition temperature using the RG improved gauge action and the Wilson quark action with two dege…
Calculation of decay amplitudes with improved Wilson fermion
N. Ishizuka, K. I. Ishikawa, A. Ukawa +1
We present results of our trial calculation of the decay amplitudes with the improved Wilson fermion action. Calculations are carried out with gauge configurat…
Global Structure of Conformal Theories in the SU(3) Gauge Theory
K. -I. Ishikawa, Y. Iwasaki, Yu Nakayama +1
We investigate SU(3) gauge theories in four dimensions with Nf fundamental fermions, on a lattice using the Wilson fermion. Clarifying the vacuum structure in terms of Polyakov loo…
Conformal Behavior in QCD
K. -I. Ishikawa, Y. Iwasaki, Yu Nakayama +1
We give a new perspective on the properties of quarks and gluons at finite temperature T in N_f = 2 ~ 6 QCD. We point out the existence of an IR fixed point for the gauge coupling…
Conformal Theories with an IR cutoff
K. -I. Ishikawa, Y. Iwasaki, Yu Nakayama +1
We give a new perspective on the dynamics of conformal theories realized in the SU(N) gauge theory, when the number of flavors N_f is within the conformal window. Motivated by the…
Multi-block/multi-core SSOR preconditioner for the QCD quark solver for K computer
T. Boku, K. -I. Ishikawa, Y. Kuramashi +7
We study the algorithmic optimization and performance tuning of the Lattice QCD clover-fermion solver for the K computer. We implement the Lüscher's SAP preconditioner with sub-blo…
1+1+1 flavor QCD + QED simulation at the physical point
S. Aoki, K. -I. Ishikawa, N. Ishizuka +9
We present the results of 1+1+1 flavor QCD+QED simulation at the physical point, in which the dynamical quark effects in QED and the up-down quark mass difference are incorporated…
Charm quark system on the physical point in 2+1 flavor lattice QCD
Y. Namekawa
We investigate the charm quark system on 2+1 flavor PACS-CS configurations. Calculations are performed at the lattice spacing GeV and the spatial extent …
Charm quark system at the physical point of 2+1 flavor lattice QCD
Y. Namekawa, S. Aoki, K. -I. Ishikawa +9
We investigate the charm quark system using the relativistic heavy quark action on 2+1 flavor PACS-CS configurations previously generated on lattice. The dynamical…
Non-perturbative renormalization of quark mass in Nf=2+1 QCD with the Schroedinger functional scheme
S. Aoki, K. -I. Ishikawa, N. Ishizuka +10
We present an evaluation of the quark mass renormalization factor for Nf=2+1 QCD. The Schroedinger functional scheme is employed as the intermediate scheme to carry out non-perturb…
Physical Point Simulation in 2+1 Flavor Lattice QCD
CS Collaboration, S. Aoki, K. -I. Ishikawa +12
We present the results of the physical point simulation in 2+1 flavor lattice QCD with the nonperturbatively -improved Wilson quark action and the Iwasaki gauge action at $β=…
Building the International Lattice Data Grid
G. Beckett, B. Joo, C. M. Maynard +3
We present the International Lattice Data Grid (ILDG), a loosely federated grid of grids for sharing data from Lattice Quantum Chromodynamics (LQCD) simulations. The ILDG comprises…
SU(2) and SU(3) chiral perturbation theory analyses on baryon masses in 2+1 flavor lattice QCD
K. -I. Ishikawa, N. Ishizuka, T. Izubuchi +9
We investigate the quark mass dependence of baryon masses in 2+1 flavor lattice QCD using SU(3) heavy baryon chiral perturbation theory up to one-loop order. The baryon mass data u…
Making use of the International Lattice Data Grid
Tomoteru Yoshie
The International Lattice Data Grid (ILDG) continues stable operation for about one year and has accumulated a lot of valuable configurations. After a brief review of the ILDG syst…