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

1.       Theoretical Study on Superconductivity in Boron-Doped Diamond, T. Shirakawa, S. Horiuchi, Y. Ohta, and H. Fukuyama, J. Phys. Soc. Jpn. 76, 014711 (2007) (9 pages).

2.       Phase Separation, Spin Polarization, and Triplet Superconductivity in the Hubbard Chains Coupled with Ferromagnetic Zigzag Bonds, S. Nishimoto, T. Shirakawa, and Y. Ohta, J. Mag. Mag. Mater. 310, 669 (2007).

3.       Spin-Triplet f-wave Suerconductivity in One-Dimensional Triangular-Lattice Hubbard Models, Y. Ohta, T. Shirakawa, and S. Nishimoto, J. Mag. Mag. Mater. 310, 578 (2007).

4.       Spin-Triplet Superconductivity in the Double-Chain Hubbard Model with Ferromagnetic Exchange Interaction, T. Shirakawa, Y. Ohta, and S. Nishimoto, J. Mag. Mag. Mater. 310, 663 (2007).

5.       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 (2007), in press.

6.       Theoretical Aspects of Superconductivity in Boron-Doped Diamond, Y. Ohta, in New Diamond and Frontier Carbon Technology (MYU, Tokyo,2007), invited review, in press.

7.       B-Doped Diamond: Superconductivity without Fermi Surface, Y. Ohta, T. Shirakawa, S. Horiuchi, and H. Fukuyama, Proceedings of M²S-HTSC (Dresden), in press (2007).

8.       Spin-Triplet Suerconductivity in the Hubbard Chains Coupled with Ferromagnetic Exchange Interaction, S. Nishimoto, T. Shirakawa, and Y. Ohta, Proceedings of M²S-HTSC (Dresden), in press (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, Proceedings of M²S-HTSC (Dresden), in press (2007).

 

(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）　4　　　　大学院修士　2　　　　大学院博士　0

 

(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 Materials and Mechanisms of Superconductivity and High Temperature Superconductors (M²S-HTSC-VIII) (Dresden, Germany, 9-14 July, 2006), B-doped diamond: Superconductivity without Fermi surface（招待講演）.

2.       The 8th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors (M²S-HTSC-VIII) (Dresden, Germany, 9-14 July, 2006), Spin-Triplet f-Wave Pairing in the One-Dimensional Triangular-Lattice Hubbard Model: Possible Relevance to Superconductivity in Bechgaard Salts.

3.       The 17th International Conference on Magnetism (ICM) (Kyoto, August 20-25, 2006), Spin-Triplet f-wave Suerconductivity in One-Dimensional Triangular-Lattice Hubbard Models.

 

(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2006」 の作成

2.      「統計物理バーチャルセミナー」の運営