所属：大阪大学核物理研究センター(RCNP)グループ
概要：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
研究成果の論文掲載、発表実績
（学術雑誌掲載論文）
・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)
（国際会議会議録論文）
・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
Posted : 2021年03月01日
