Affiliation：RCNP(Research Center for Nuclear Physics) Group
Abstract：核物理研究センターでは、サブアトミック世界の強い相互作用の基本原理である量子色力学（ＱＣＤ）を中心に、素粒子・ハドロン・原子核物理学とその関連分野にわたる研究を、全国の共同利用研究者とともに行っている。スーパーコンピューターは、大規模計算を必要とする理論的な研究を中心に使用されて
いる。その内容は、格子ＱＣＤによる数値シミュレーション、原子核構造及びハドロン物理現象論の数値的な解法を始め、深層学習の加速器実験への応用を含む。

(i) 格子QCD
ハドロン分光学（質量などの計算）とハドロン間相互作用、クォーク間相互作用、有限温度・密度における真空の性質・状態方程式、閉じ込め・カイラル対称性の問題

(ii) 少数多体系・原子核構造
３-４核子系の精密計算、原子核密度汎関数法

(iii) 機械学習
加速器実験への応用（加速器の運転制御、Belle実験・ILC実験での信号識別・フレーバー識別、
ILC SiDカロリメータのエネルギー較正）

(iv) その他
２次元格子フェルミオン系、超新星爆発、弦理論

Publication related to your research
（Journal paper）

• T. Shimazaki, A. Yamamoto,
  "t Hooft surface in lattice gauge theory",
  Phys. Rev. D 102, 034517 (2020)
• K. Iwano, T. Yamaguchi, and H. Okamoto,
  "Ultrabosonic behavior in photoexcited one-dimensional Mott insulators in the region of weak intersite Coulombic interaction",
  Physical Review B 102, 245114 (2020)
• T. Yamaguchi, K. Iwano, T. Miyamoto, N. Takamura, N. Kida, Y. Takahashi, T. Hasegawa, and H. Okamoto,
  "Excitoic optical spectra and energy structues in a one-dimensional Mott insulator demonstrated by applying a many-body Wannier fucntions method to a charge model",
  Physical Review B 103, 045124 (2021)
• Etsuko Itou1,2,3 and Yuki Nagai4,5,
  "Sparse modeling approach to obtaining the shear viscosity from smeared correlation functions",
  Journal of High Energy Physics 07, 007 (2020).
• Takuya Furusawa1,2, Yuya Tanizaki3, and Etsuko Itou4,5,6,
  "Finite-density massless two-color QCD at the isospin Roberge-Weiss point and the 't Hooft anomaly",
  Physical Review Research 2, 033253 (2020).
• Toshiaki Fujimori1, Etsuko Itou1,2,3, Tatsuhiro Misumi1,4, Muneto Nitta1, and Norisuke Sakai1,
  "Lattice ℂPN−1 model with ℤN twisted boundary condition: bions, adiabatic continuity and pseudo-entropy",
  Journal of High Energy Physics 08, 011 (2020).
• Kei Iida1, Etsuko Itou1,2,3, and Tong-Gyu Lee1,4,
  "Relative scale setting for two-color QCD with Nf=2 Wilson fermions",
  Progress of Theoretical and Experimental Physics 2021, 013B05 (2021).
• Hiroaki Kouno, Takehiro Hirakida,
  "The persistent homology analyses in particle and nuclear physics",
  Reports of the Faculty of Science and Engineering, Saga University, Vol. 49, No.1, 2020, pp.1～5
• Masayasu Hasegawa,
  "Monopole and instanton effects in QCD",
  J. High Energ. Phys. 2020, 113 (2020)
• Nodoka Yamanaka, Hideaki Iida, Atsushi Nakamura, Masayuki Wakayama,
  "Dark matter scattering cross section and dynamics in dark Yang-Mills theory",
  Physics Letters B 813, 136056 (2021)
• Nodoka Yamanaka, Hideaki Iida, Atsushi Nakamura, Masayuki Wakayama,
  "Glueball scattering cross section in lattice SU(2) Yang-Mills theory",
  Physical Review D 102, 054507 (2020)
• Hiroki Ohata and Hideo Suganuma,
  "Gluonic-excitation energies and Abelian dominance in SU(3) QCD",
  Physical Review D
• Hiroki Ohata and Hideo Suganuma,
  "Clear correlation between monopoles and the chiral condensate in SU(3) QCD",
  Physical Review D
• Sibo Wang, Qiang Zhao, Peter Ring, and Jie Meng,
  "Nuclear matter in relativistic Brueckner-Hartree-Fock theory with Bonn potential in the full Dirac space",
  arXiv:2103.12960 (2021)

• J. Hu, S. Bao, Y. Zhang, K. Nakazato, K. Sumiyoshi and H. Shen,
  "Effects of symmetry energy on the radius and tidal deformability of neutron stars",
  Progress of Theoretical and Experimental Physics (2020) 043D01 (20 pages)
• C. Nagele, H. Umeda, K. Takahashi, T. Yoshida and K. Sumiyoshi,
  "The final fate of supermassive M~5x10^4 M_sun Pop III stars: explosion or collapse?",
  Monthly Notices of the Royal Astronomical Society 296 (2020) 1224-1231

• A. Harada, H. Nagakura, W. Iwakami, H. Okawa, S. Furusawa, K. Sumiyoshi, H. Matsufuru and S. Yamada,
  "The Boltzmann-radiation-hydrodynamics simulations of core-collapse supernovae with different equations of state: the role of the nuclear composition and the behavior of neutrinos",
  Astrophysical Journal 902 (2020) 150 (25 pages)
• W. Iwakami, H. Okawa, H. Nagakura, A. Harada, S. Furusawa, K. Sumiyoshi, H. Matsufuru and S. Yamada,
  "Simulations of the early post-bounce phase of core-collapse supernovae in three-dimensional space with full boltzmann neutrino transport",
  Astrophysical Journal 903 (2020) 82 (24 pages)
• Y. Suwa, A. Harada, K. Nakazato and K. Sumiyoshi,
  "Analytic solutions for neutrino-light curves of core-collapse supernovae",
  Progress of Theoretical and Experimental Physics 2021 (2020) 013E01 (12 pages)
• K. Sumiyoshi, S. Fujibayashi, Y. Sekiguchi and M. Shibata,
  "Properties of neutrino transfer in a deformed remnant from neutron star merger",
  Astrophysical Journal 907 (2021) 92 (23 pages)
• M. Mori, Y. Suwa, K. Nakazato, K. Sumiyoshi, M. Harada, Y. Koshio, R. A. Wendell and A. Harada,
  "Developing an end-to-end simulation framework of supernova neutrino detection",
  Progress of Theoretical and Experimental Physics 2021 (2020) 023E01 (21 pages)
• R. Akaho, A. Harada, H. Nagakura, K. Sumiyoshi, W. Iwakami, H. Okawa, S. Furusawa, H. Matsufuru and S. Yamada,
  "Multi-dimensional Boltzmann neutrino transport code in full general relativity for core-collapse simulations",
  Astrophysical Journal 909 (2021) 210 (17 pages)

• A.Hiraguchi,K.Ishiguro and T.Suzuki, ,
  "New Abelian-like monopoles and the dual Meissner effect",
  Phys.Rev.D102 (2020), 114504-(1-9)
• A. Begun, A. Nakamura, V.G. Bornyakov, V.A. Goy, R.N. Rogalyov,
  "Study of two color QCD on large lattices",
  Phys. Rev. D

• M. Wakayama, S-i. Nam and A. Hosaka,
  "Use of the canonical approach in effective models of QCD",
  PHYSICAL REVIEW D 102, 034035 (2020)

 

（International conference paper）

• H. Matsufuru and K. Sumiyoshi,
  "Acceleration of Boltzmann Equation for Core-Collapse Supernova Simulations on PEZY-SC Processors",
  Lecture Notes in Computer Science book series, Vol. 12251 (2020) 177-192,
• M. Wakayama, Y. Murakami, A. Nakamura, M. Sekiguchi and H. Wada,
  "Spectroscopy of a1 mesons from lattice QCD with the truncated overlap fermions",
  World Scientific, Hadron2019, 104-108 (2020),
  Hadron2019