氏名：長谷川　将康
所属：Joint Institute for Nuclear Research, Bogoliubov Laboratory of Theoretical Physics
概要：カイラル対称性の自発的やぶれとインスタントン、モノポールの関係を明かにするために、QCDの第一原理計算をDi Giacomo教授(ピサ大学)と共に行っている。
そして、QCD真空中のインスタントン数とモノポールの関係を定量的に示した。現在、カイラル対称性とモノポールについて、さらに詳しく研究を行っている。

 

論文掲載,発表実績:
（論文）

• Adriano Di Giacomo and Masayasu Hasegawa, “Instantons and monopoles,” Phys. Rev. D 91, 054512, 2015

 

（プロシーディング）

• Adriano Di Giacomo and Masayasu Hasegawa, “Zero modes of Overlap fermions, Instantons, and Monopoles,” PoS (LATTICE2014) 341 (Submitted), 2014
• Adriano Di Giacomo and Masayasu Hasegawa, “Zero modes, Instantons, and Monopoles,” AIP proceedings (Submitted), 2014

 

（国際会議発表）

• Masayasu Hasegawa and Adriano Di Giacomo, “Zero modes of Overlap fermions, Instantons, and Monopoles (II),” The 11th International Conference on Quark Confinement and the Hadron Spectrum, September 8-12, 2014, Saint-Petersburg State University, Saint-Petersburg, Russia
• Masayasu Hasegawa and Adriano Di Giacomo, “Zero modes of Overlap fermions, Instantons, and Monopoles,” The 32nd International Symposium on Lattice Field Theory, June 23-28 , 2014, Columbia University, New York, USA

 

（セミナー発表）

• Masayasu Hasegawa, Adriano Di Giacomo, and Fabrizio Pucci, “Instantons, Monopoles, and Chiral Symmetry breaking,” October, 23rd, 2014, University of Bari and INFN, Bari, Italy
• Masayasu Hasegawa, Adriano Di Giacomo, and Fabrizio Pucci, “Instantons, Monopoles, and Chiral Symmetry breaking,” October, 16th, 2014, University of Pisa and INFN, Pisa, Italy
• Masayasu Hasegawa, Adriano Di Giacomo, and Fabrizio Pucci, “Chiral symmetry and Overlap fermions, Instantons and Monopoles in Lattice QCD,” May, 28th, 2014, Bogoliubov Laboratory of Theoretical Physics, JINR, Dubna, Russia