専攻・学科名 基盤理学専攻物理学コース・理学部物理学科 講座名 量子多体系物理学
教員名 太田幸則
電子メール ohta[at]science.s.chiba-u.ac.jp
ホームページ http://physics.s.chiba-u.ac.jp/ohtal/
(1) 研究論文など
原著論文
1. Theoretical Study on Superconductivity in Boron-Doped Diamond, T. Shirakawa, S. Horiuchi, Y. Ohta, and H. Fukuyama, J. Phys. Soc. Jpn. 76, 014711/1-9 (2007).
2. Charge and Spin Excitation Spectra in the One-Dimensional Hubbard Model with Next-Nearest-Neighbor Hopping, S. Nishimoto, T. Shirakawa, and Y. Ohta, Phys. Rev. B 77, 115102/1-6 (2008).
3. Phase Diagram of the One-Dimensional Hubbard Model with Next-Nearest-Neighbor Hopping, S. Nishimoto, K. Sano, and Y. Ohta, Phys. Rev. B 77, 085119/1-10 (2008).
4. Theoretical Study of the Electronic States of Hollandite Vanadate K2V8O16, S. Horiuchi, T. Shirakawa, and Y. Ohta, Phys. Rev. B 77, 155120/1-6 (2008).
5. Superconductivity in a Model of Two Hubbard Chains Coupled with Ferromagnetic Exchange Interaction, T. Shirakawa, S. Nishimoto, and Y. Ohta, Phys. Rev. B (2008), in press.
6. Coexistence of Distinct Charge Fluctuations in q-(BEDT-TTF)2X, S. Nishimoto, M. Shingai, and Y. Ohta, Phys. Rev. B (2008), in press.
国際会議録
7. B-Doped Diamond: Superconductivity without Fermi Surface, Y. Ohta, T. Shirakawa, S. Horiuchi, and H. Fukuyama, Physica C 460-462, 121-124 (2007).
8. Spin-Triplet Suerconductivity in the Hubbard Chains Coupled with Ferromagnetic Exchange Interaction, S. Nishimoto, T. Shirakawa, and Y. Ohta, Physica C 460-462, 1059-1060 (2007).
9. Spin-Triplet f-Wave Pairing in the One-Dimensional Triangular-Lattice Hubbard Model: Possible Relevance to Superconductivity in Bechgaard Salts, Y. Ohta, S. Nishimoto, and T. Shirakawa, Physica C 460-462, 245-247 (2007).
10. Theoretical Study on the Electronic States in Hollandite Vanadate K2V8O16, S. Horiuchi and Y. Ohta, J. Phys. Chem. Solids (2008), in press.
11. Variational Monte Carlo Study on Superconductivity in the Anisotropic Triangular-Lattice Hubbard Models, Y. Kataoka and Y. Ohta, J. Phys. Chem. Solids (2008), in press.
12. Numerical Study on the Anisotropic Triangular-Lattice Hubbard Model at Quarter Filling: Charge Fluctuations with Three-Fold Periodicity, M. Shingai, S. Nishimoto, and Y. Ohta, J. Phys. Chem. Solids (2008), in press.
13. Superconductivity in B-doped Diamonds, H. Fukuyama, Y. Ohta, T. Shirakawa, and S. Horiuchi, J. Phys. Chem. Solids (2008), in press.
総説
14. Theoretical Aspects of Superconductivity in Boron-Doped Diamond, Y. Ohta, New Diamond and Frontier Carbon Technology (MYU, Tokyo), Vol.17 (2007), pp.33—44, (invited review).
(2) 特別研究などの指導実績： 卒業研究（学士）、大学院修士および博士学位取得人数
卒業研究（理学士） 5 大学院修士 3 大学院博士 2
(3) 国際会議出席と招待リスト
国際会議名 開催国 年月日 論文名
1. The 8th International Conference on Spectroscopies in Novel Superconductors (SNS2007), (Sendai, August 20-24, 2007), Theoretical Study on the Electronic States in Hollandite Vanadate K2V8O16.
2. The 8th International Conference on Spectroscopies in Novel Superconductors (SNS2007), (Sendai, August 20-24, 2007), Variational Monte Carlo Study on Superconductivity in the Anisotropic Triangular-Lattice Hubbard Models.
3. The 8th International Conference on Spectroscopies in Novel Superconductors (SNS2007), (Sendai, August 20-24, 2007), Numerical Study on the Anisotropic Triangular-Lattice Hubbard Model at Quarter Filling: Charge Fluctuations with Three-Fold Periodicity.
4. The 8th International Conference on Spectroscopies in Novel Superconductors (SNS2007), (Sendai, August 20-24, 2007), Superconductivity in B-doped Diamonds.
(4) 教育業績
1. 統計物理学演習のテキスト 「演習で学ぶ統計力学」 2007年度版の作成、生協での販売
2. ウェッブ上で 「統計物理バーチャルセミナー」 の運営
(5) 学会、国、県などへの協力，地域・社会と連携した教育・研究活動など教育
1. 独立行政法人 新エネルギー・産業技術総合開発機構（NEDO）の 「産業技術研究助成事業」 に係るピアレビューア