Research field (2)：
Semiconductors, optical and atomic physics
, Magnetism, superconductivity, and strongly correlated systems
Research theme for competitive and other funds (4)：
2012 - 2016 Development of as-grown free-standing carbon nanoribbon and clarification of its structure and physical proporties
2006 - 2007 有機導体における強磁場下での電子状態の理論
2004 - 2005 有機導体における強磁場下での電子状態の理論
1998 - 1999 低次元有機伝導体における磁場中の電子状態の理論的研究
Papers (65)：
Keita Kishigi, Keita Tsukidashi, Yasumasa Hasegawa. Observable Precursor of Topological Phase Transition: Temperature-Dependent Electronic Specific Heat in Two-Dimensional Dirac Fermions. Journal of the Physical Society of Japan. 2023. 92. 10. 104601-1-104601-6
Keita Kishigi, Yasumasa Hasegawa. de Haas-van Alphen oscillations near the Lifshitz transition from two electron pockets to one in the two-dimensional Dirac fermion systems. Physical Review B. 2021. 104. 8. 085412
Watanabe Shigeyoshi, Iino Naoko, Fukushima Kazuhiro, Kishigi Keita, Shimada Hideaki, Murata Takahiro, Masamoto Kazumori, Tanabe Tsutomu, Tanaka Hitoshi, Miyabuchi Yasuo. An Analysis of Consultation Contents of Pupils and Students at a Conference for Supporting Independent Science Inquiry in Summer Vacation. 2014. 63. 375-382
Hasegawa Yasumasa, Kishigi Keita, Kohmoto Mahito. 9aAH-2 Quantum oscillations in graphene antidot lattices. Meeting abstracts of the Physical Society of Japan. 2014. 69. 2. 487-487
Hasegawa Yasumasa, Kishigi Keita. 20pGT-12 Nesting of the Fermi surface and susceptibility in quasi-one-dimensional systems. Meeting abstracts of the Physical Society of Japan. 2010. 65. 1. 863-863
