S. Aoki

activity

19922023

most citedBound H-dibaryon in Flavor SU(3) Limit of Lattice QCD

300 citations · 5.9k across the 226 of their papers we have counts for

collaborators

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204 papers · 1 filter

hep-lat2023★ 2 cited

Lattice study on a tetra-quark state $T_{bb}$ in the HAL QCD method

Takafumi Aoki, Sinya Aoki, Takashi Inoue

We study a doubly-bottomed tetra-quark state $(bb u ˉ d ˉ)$ with quantum number $I (J^{P}) = 0 (1^{+})$ , denoted by $T_{bb}$ , in lattice QCD with the Non-Relativistic QCD (NRQCD) qua…

hep-lat2023★ 1 cited

Thermodynamics with Möbius domain wall fermions near physical point II

Sinya Aoki, Hidenori Fukaya, Jishnu Goswami +4

We report on our finite temperature 2+1 flavor lattice QCD simulation to study the thermodynamic properties of QCD near the (pseudo) critical point employing $N_{T} = 12$ and $16$ . The…

hep-lat2023

Interaction potentials for two-particle states with non-zero total momenta in lattice QCD

Yutaro Akahoshi, Sinya Aoki

In this study, we extend the HAL QCD method to a case where a total momentum of a two-particle system is non-zero and apply it to the $I = 2$ S-wave $π π$ scattering in order to confi…

hep-lat2022

Lattice study on a tetraquark state $T_{bb}$ in the HAL QCD method

Sinya Aoki, Takafumi Aoki

We investigate a doubly-bottomed tetraquark state $T_{bb}$ $(bb u ˉ d ˉ)$ with quantum number $I (J^{P}) = 0 (1^{+})$ in $(2 + 1)$ -flavor lattice QCD. Using the Non-Relativistic QCD (…

hep-lat2022

Lattice QCD studies on decuplet baryons as meson-baryon bound states in the HAL QCD method

Kotaro Murakami, Yutaro Akahoshi, Sinya Aoki +2

We study decuplet baryons from meson-baryon interactions in lattice QCD, in particular, $Δ$ and $Ω$ baryons from P-wave $I = 3/2$ $N π$ and $I = 0$ $Ξ K ˉ$ interactions, respectively…

hep-lat2022

Axial U(1) symmetry at high temperatures in $N_{f} = 2 + 1$ lattice QCD with chiral fermions

Sinya Aoki, Yasumichi Aoki, Hidenori Fukaya +6

We study the $U (1)_{A}$ anomaly in the high-temperature phase of $N_{f} = 2 + 1$ lattice QCD with chiral fermions. Gauge ensembles are generated with Möbius domain-wall (MDW) fermions, and…

hep-lat2022★ 14 cited

Optimized Two-Baryon Operators in Lattice QCD

Yan Lyu, Hui Tong, Takuya Sugiura +5

A set of optimized interpolating operators which are dominantly coupled to each eigenstate of two baryons on the lattice is constructed by the HAL QCD method. To test its validity,…

hep-lat2021

2+1 flavor fine lattice simulation at finite temperature with domain-wall fermions

Sinya Aoki, Yasumichi Aoki, Hidenori Fukaya +4

Simulations for the thermodynamics of the 2+1 flavor QCD are performed employing chiral fermions. The use of Möbius domain-wall fermions with stout-link smearing is more effective…

hep-lat2021

Finite volume analysis on systematics of the derivative expansion in HAL QCD method

Takumi Doi, Yan Lyu, Hui Tong +5

We study the convergence of the derivative expansion in HAL QCD method from the finite volume analysis. Employing the (2+1)-flavor lattice QCD data obtained at nearly physical ligh…

hep-lat2021

Most charming dibaryon near unitarity

Yan Lyu, Hui Tong, Takuya Sugiura +5

We present a first study on a pair of triply charmed baryons, $Ω_{ccc} Ω_{ccc}$ in the $^{1} S_{0}$ channel, on the basis of the HAL QCD method. The measurements are perfomed on the $(2+…

hep-lat2021

HAL QCD potentials with non-zero total momentum and an application to the $I = 2$ $π π$ scattering

Sinya Aoki, Yutaro Akahoshi

We consider the HAL QCD method in the system with non-zero total momentum (laboratory frame). We derive a relation between the NBS wave function in the laboratory frame and the ene…

hep-lat2021★ 1 cited

Investigations of decuplet baryons from meson-baryon interactions in the HAL QCD method

Kotaro Murakami, Yutaro Akahoshi, Sinya Aoki +1

We study decuplet baryons from meson-baryon interactions, in particular, $Δ$ and $Ω$ baryons from P-wave $I = 3/2$ $N π$ and $I = 0$ $Ξ K ˉ$ interactions, respectively. The interacti…

hep-lat2021

Emergence of the rho resonance from the HAL QCD potential

Yutaro Akahoshi, Sinya Aoki, Takumi Doi

In this article, we report the $ρ$ resonance study using the HAL QCD method. We calculate the $I = 1$ $π π$ potential at $m_{π} \approx 0.41$ GeV by a combination of the one-end trick,…

hep-lat2021★ 12 cited

General purpose lattice QCD code set Bridge++ 2.0 for high performance computing

Yutaro Akahoshi, Sinya Aoki, Tatsumi Aoyama +6

Bridge++ is a general-purpose code set for a numerical simulation of lattice QCD aiming at a readable, extensible, and portable code while keeping practically high performance. The…

hep-lat2021

Derivative expansion in the HAL QCD method for a separable potential

Sinya Aoki, Koichi Yazaki

We investigate how the derivative expansion in the HAL QCD method works to extract physical observables, using a separable potential in quantum mechanics, which is solvable but hig…

hep-lat2021★ 17 cited

Emergence of the $ρ$ resonance from the HAL QCD potential in lattice QCD

Yutaro Akahoshi, Sinya Aoki, Takumi Doi

We investigate the $I = 1$ $π π$ interaction using the HAL QCD method in lattice QCD. We employ the (2+1)-flavor gauge configurations on $3 2^{3} \times 64$ lattice at the lattice spacin…

hep-lat2021★ 73 cited

Dibaryon with highest charm number near unitarity from lattice QCD

Yan Lyu, Hui Tong, Takuya Sugiura +5

A pair of triply charmed baryons, $Ω_{ccc} Ω_{ccc}$ , is studied as an ideal dibaryon system by (2+1)-flavor lattice QCD with nearly physical light-quark masses and the relativistic…

hep-lat2020★ 4 cited

S-wave kaon-nucleon potentials with all-to-all propagators in the HAL QCD method

Kotaro Murakami, Yutaro Akahoshi, Sinya Aoki

In this paper, employing an all-to-all quark propagator technique, we investigate the kaon-nucleon interactions in lattice QCD. We calculate the S-wave kaon-nucleon potentials at t…

hep-lat2020★ 20 cited

$d^{*} (2380)$ dibaryon from lattice QCD

Shinya Gongyo, Kenji Sasaki, Takaya Miyamoto +6

The $ΔΔ$ dibaryon resonance $d^{*} (2380)$ with $(J^{P}, I) = (3^{+}, 0)$ is studied theoretically on the basis of the 3-flavor lattice QCD simulation with heavy pion masses ($m_π=679,…

hep-lat2020★ 7 cited

The HAL QCD potential in $I = 1$ $π π$ system with the $ρ$ meson bound state

Yutaro Akahoshi, Sinya Aoki, Tatsumi Aoyama +3

In this paper, we investigate the HAL QCD potential in the $I = 1$ $π π$ scattering using the hybrid method for all-to-all propagators, in which a propagator is approximated by low-ei…

hep-lat2020★ 71 cited

Lattice QCD and baryon-baryon interactions: HAL QCD method

Sinya Aoki, Takumi Doi

In this article, we review the HAL QCD method to investigate baryon-baryon interactions such as nuclear forces in lattice QCD. We first explain our strategy in detail to investigat…

hep-lat2020

Lattice results on dibaryons and baryon--baryon interactions

Sinya Aoki

We present the recent study on dibaryons at the almost physical pion mass in lattice QCD by the HAL QCD potential method.

hep-lat2020★ 2 cited

Axial U(1) symmetry and mesonic correlators at high temperature in $N_{f} = 2$ lattice QCD

Kei Suzuki, Sinya Aoki, Yasumichi Aoki +4

We investigate the high-temperature phase of QCD using lattice QCD simulations with $N_{f} = 2$ dynamical Möbius domain-wall fermions. On generated configurations, we study the axial…

hep-lat2020

Theoretical and practical progresses in the HAL QCD method

Sinya Aoki

In this report, we discuss some theoretical and practical progresses in the HAL QCD potential method. We first clarify the issue of the derivative expansion for the non-local poten…

Lattice study on a tetra-quark state Tbb​ in the HAL QCD method

Thermodynamics with Möbius domain wall fermions near physical point II

Interaction potentials for two-particle states with non-zero total momenta in lattice QCD

Lattice study on a tetraquark state Tbb​ in the HAL QCD method

Lattice QCD studies on decuplet baryons as meson-baryon bound states in the HAL QCD method

Axial U(1) symmetry at high temperatures in Nf​=2+1 lattice QCD with chiral fermions

Optimized Two-Baryon Operators in Lattice QCD

2+1 flavor fine lattice simulation at finite temperature with domain-wall fermions

Finite volume analysis on systematics of the derivative expansion in HAL QCD method

Most charming dibaryon near unitarity

HAL QCD potentials with non-zero total momentum and an application to the I=2 ππ scattering

Investigations of decuplet baryons from meson-baryon interactions in the HAL QCD method

Emergence of the rho resonance from the HAL QCD potential

General purpose lattice QCD code set Bridge++ 2.0 for high performance computing

Derivative expansion in the HAL QCD method for a separable potential

Emergence of the ρ resonance from the HAL QCD potential in lattice QCD

Dibaryon with highest charm number near unitarity from lattice QCD

S-wave kaon-nucleon potentials with all-to-all propagators in the HAL QCD method

d∗(2380) dibaryon from lattice QCD

The HAL QCD potential in I=1 ππ system with the ρ meson bound state

Lattice QCD and baryon-baryon interactions: HAL QCD method

Lattice results on dibaryons and baryon--baryon interactions

Axial U(1) symmetry and mesonic correlators at high temperature in Nf​=2 lattice QCD

Theoretical and practical progresses in the HAL QCD method

Lattice study on a tetra-quark state $T_{bb}$ in the HAL QCD method

Lattice study on a tetraquark state $T_{bb}$ in the HAL QCD method

Axial U(1) symmetry at high temperatures in $N_{f} = 2 + 1$ lattice QCD with chiral fermions

HAL QCD potentials with non-zero total momentum and an application to the $I = 2$ $π π$ scattering

Emergence of the $ρ$ resonance from the HAL QCD potential in lattice QCD

$d^{*} (2380)$ dibaryon from lattice QCD

The HAL QCD potential in $I = 1$ $π π$ system with the $ρ$ meson bound state

Axial U(1) symmetry and mesonic correlators at high temperature in $N_{f} = 2$ lattice QCD