• 100 Citations
  • 6 h-Index
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Fingerprint Dive into the research topics where Koudai Sugimoto is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

  • 2 Similar Profiles
orbitals Physics & Astronomy
insulators Physics & Astronomy
condensation Physics & Astronomy
Group 5A compounds Physics & Astronomy
iron Physics & Astronomy
conductivity Physics & Astronomy
Hubbard model Engineering & Materials Science
Condensation Engineering & Materials Science

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Research Output 2011 2019

  • 100 Citations
  • 6 h-Index
  • 16 Article
  • 2 Conference article

Quantum phase transitions in the dimerized extended Bose-Hubbard model

Sugimoto, K., Ejima, S., Lange, F. & Fehske, H., 2019 Jan 28, In : Physical Review A. 99, 1, 012122.

Research output: Contribution to journalArticle

Ising model
phase diagrams
1 Citation (Scopus)

Spin texture and spin current in excitonic phases of the two-band Hubbard model

Nishida, H., Miyakoshi, S., Kaneko, T., Sugimoto, K. & Ohta, Y., 2019 Jan 10, In : Physical Review B. 99, 3, 035119.

Research output: Contribution to journalArticle

Hubbard model
Crystal symmetry
Band structure
2 Citations (Scopus)

Excitonic order and superconductivity in the two-orbital hubbard model: Variational cluster approach

Fujiuchi, R., Sugimoto, K. & Ohta, Y., 2018 Jan 1, In : Journal of the Physical Society of Japan. 87, 6, 063705-1.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Ferromagnetic Peierls insulator state in AMg4Mn6 O15 (A= K,Rb,Cs)

Yamaguchi, T., Sugimoto, K., Ohta, Y., Tanaka, Y. & Sato, H., 2018 Apr 5, In : Physical Review B. 97, 16, 161103.

Research output: Contribution to journalArticle

Manganese oxide
Electronic states
Crystal lattices
Ground state
Electronic structure
3 Citations (Scopus)

Large entropy change derived from orbitally assisted three-centered two-electron σ bond formation in metallic Li0.33VS2

Katayama, N., Tamura, S., Yamaguchi, T., Sugimoto, K., Iida, K., Matsukawa, T., Hoshikawa, A., Ishigaki, T., Kobayashi, S., Ohta, Y. & Sawa, H., 2018 Aug 7, In : Physical Review B. 98, 8, 081104.

Research output: Contribution to journalArticle

heat storage
Heat storage