Works

Papers

1. Ibuki Terada, 1 Sota Kitamura , 2 Hiroshi Watanabe , 3,4 and Hiroaki Ikeda
   "Limitations and improvements of the relaxation time approximation in the quantum master equation: Linear conductivity in insulating systems",
   Phys. Rev. B 109, L180302 (2024). 

2. Hiroshi Watanabe, Tomonori Shirakawa, Kazuhiro Seki, Hirofumi Sakakibara, Takao Kotani, Hiroaki Ikeda, and Seiji Yunoki,
   "Monter Carlo study of cuprate superconductors in a four-band d-p model: role of orbital degrees of freedom",
   J. Phys.: Condens. Matter 35, 195601 (2023).

3. Hiroshi Watanabe, Tomonori Shirakawa, Kazuhiro Seki, Hirofumi Sakakibara, Takao Kotani, Hiroaki Ikeda, and Seiji Yunoki,
   "Unified description of cuprate superconductors using a four-band d-p model",
   Phys. Rev. Research 3, 033157 (2021).

4. Kazutaka Nishiguchi, Tomonori Shirakawa, Hiroshi Watanabe, Ryotaro Arita, and Seiji Yunoki,
   "Possible Superconductivity Induced by a Large Spin-Orbit Coupling in Carrier Doped Iridium Oxide Insulators: A Weak Coupling Approach",
   J. Phys. Soc. Jpn. 88, 094701 (2019).

5. Hiroshi Watanabe, Hitoshi Seo, and Seiji Yunoki,
   "Mechanism of superconductivity and electron-hole doping asymmetry in κ-type molecular conductors",
   Nat. Commun. 10, 3167 (2019).

6. Hiroshi Watanabe, Hitoshi Seo, and Seji Yunoki,
   "Phase Competition and Superconductivity in κ-(BEDT-TTF)2X: Importance of Intermolecular Coulomb Interactions",
   J. Phys. Soc. Jpn. 86, 033703 (2017)

7. A. Yamasaki, H. Fujiwara, S. Tachibana, D. Iwasaki, Y. Higashino, C. Yoshimi, K. Nakagawa, Y. Nakatani, K. Yamagami, H. Aratani, O. Kirilmaz, M. Sing, R. Claessen, H. Watanabe, T. Shirakawa, S. Yunoki, A. Naitoh, K. Takase, J. Matsuno, H. Takagi, A. Sekiyama, and Y. Saitoh,
   "Three-dimensional electronic structures and the metal-insulator transition in Ruddlesden-Popper iridates",
   Phys. Rev. B 94, 115103 (2016)

8. Hiroshi Watanabe, Kazuhiro Seki, and Seiji Yunoki,
   "Charge-density wave induced by combined electron-electron and electron-phonon interactions in 1$T$-TiSe_{2}: A variational Monte Carlo study",
   Phys. Rev. B 91, 205135 (2015)

9. Hiroshi Watanabe, Tomonori Shirakawa, and Seiji Yunoki,
   "Theoretical study of insulating mechanism in multiorbital Hubbard models with a large spin-orbit coupling: Slater versus Mott scenario in Sr_{2}IrO_{4}",
   Phys. Rev. B 89, 165115 (2014)

10. Hiroshi Watanabe, Tomonori Shirakawa, and Seiji Yunoki,
    "Monte Carlo Study of an Unconventional Superconducting Phase in Iridium Oxide J_{eff}=1/2 Mott Insulators Induced by Carrier Doping",
    Phys. Rev. Lett. 110, 027002 (2013)

11. Hiroshi Watanabe, Tomonori Shirakawa, and Seiji Yunoki,
    "Microscopic Study of a Spin-Orbit-Induced Mott Insulator in Ir Oxides",
    Phys. Rev. Lett. 105, 216410 (2010).

12. Hiroshi Watanabe and Masao Ogata,
    "Crossover from dilute-Kondo system to heavy-fermion system",
    Phys. Rev. B 81, 113111 (2010).

13. Hiroshi Watanabe and Masao Ogata,
    "Fermi-Surface Reconstruction in the Periodic Anderson Model",
    J. Phys. Soc. Jpn. 78, 024715 (2009).

14. Hiroshi Watanabe and Masao Ogata,
    "Fermi-Surface Reconstruction without Breakdown of Kondo Screening at the Quantum Critical Point",
    Phys. Rev. Lett. 99, 136401(2007).

15. Hiroshi Watanabe and Masao Ogata,
    "Novel Charge Order and Superconductivity in Two-Dimensional Frustrated Lattice at Quarter Filling",
    J. Phys. Soc. Jpn. 75, 063702 (2006).
    "Papers of Editor's choice" に選出されました

16. Hiroshi Watanabe and Masao Ogata,
    "Charge Order and Superconductivity in Two-dimensional Triangular Lattice at n=2/3”,
    J. Phys. Soc. Jpn. 74, 2901 (2005).

Proceedings

1. Kazutaka Nishiguchi, Tomonori Shirakawa, Hiroshi Watanabe, and Seiji Yunoki,
   "Random phase approximation for superconducting states in multi-orbital Hubbard models with spin-orbit coupling",
   J. Phys.: Conf. Ser. 807, 052013 (2017).

2. Hiroshi Watanabe, Kazuhiro Seki, and Seiji Yunoki,
   "A variational Monte Carlo study of exciton condenation",
   J. Phys.: Conf. Ser. 592, 012097 (2015).

3. Kazutaka Nishiguchi, Hiroshi Watanabe, and Seiji Yunoki,
   "Magnetism in Sr_{2}IrO_{4}: a weak coupling study",
   JPS Conf. Proc. 3, 015037 (2014).

4. Tomonori Shirakawa, Hiroshi Watanabe, and Seiji Yunoki,
   "Theoretical studies of a three-band Hubbard model with a strong spin-orbit coupling for 5d transition metal oxide Sr_{2}IrO_{4}",
   J. Phys.: Conf. Ser. 454, 012068 (2013).

5. Hiroshi Watanabe, Tomonori Shirakawa, and Seiji Yunoki,
   "Variational Monte Carlo study for the insulating mechanism of Sr_{2}IrO_{4}: from the viewpoint of energy gain",
   J. Phys.: Conf. Ser. 454, 012047 (2013).

6. Hiroshi Watanabe, Tomonori Shirakawa, and Seiji Yunoki,
   "A Novel Superconductivity in Ir Oxides with a Large Spin-orbit Coupling",
   J. Korean Phys. Soc. 62, 1848 (2013).

7. Tomonori Shirakawa, Hiroshi Watanabe, and Seiji Yunoki,
   "Theoretical study of J_{eff}=1/2 Mott insulator in Ir oxides: a strong spin-orbit coupling vs local electron correlations",
   J. Phys.: Conf. Ser. 400, 032088 (2012).

8. Hiroshi Watanabe, Tomonori Shirakawa, and Seiji Yunoki,
   "Variational Monte Carlo study for superconductivity in multi-orbital systems",
   J. Phys.: Conf. Ser. 400, 022134 (2012).

9. Tomonori Shirakawa, Hiroshi Watanabe, and Seiji Yunoki,
   "Microscopic Study of Electronic and Magnetic Properties for Ir Oxide",
   J. Phys. Soc. Jpn. 80, SB010 (2011).

10. Hiroshi Watanabe, Tomonori Shirakawa, and Seiji Yunoki,
    "Spin-Orbit-Induced Mott Insulator in 5d Electron System",
    J. Phys. Soc. Jpn. 80, SB006 (2011).

11. Tomonori Shirakawa, Hiroshi Watanabe, and Seiji Yunoki,
    "Variational cluster approximation study of Mott transition with strong spin-orbit coupling",
    J. Phys.: Conf. Ser. 273, 012148 (2011).

12. Hiroshi Watanabe, Tomonori Shirakawa, and Seiji Yunoki,
    "Variational Monte Carlo study of two-dimensional strong spin-orbit coupling system: Novel Mott insulating state in Ir oxide",
    J. Phys.: Conf. Ser. 273, 012143 (2011).

13. Wang Lihua, Tomonori Shirakawa, Hiroshi Watanabe, and Seiji Yunoki,
    "A numerical study for two-dimensional spin 1/2 antiferromagnets: a generalization of Entanglement Perturbation Theory to two-dimensional systems",
    J. Phys.: Conf. Ser. 273, 012131 (2011).

14. Hiroshi Watanabe and Masao Ogata,
    "Ground State Properties of Randomly-Doped Kondo Lattice Model",
    J. Phys.: Conf. Ser. 200, 012221 (2010).

15. Hiroshi Watanabe and Masao Ogata,
    "Fermi surface reconstruction in the Kondo lattice model and the periodic Anderson model",
    J. Phys.: Conf. Ser. 150, 042227 (2009).

16. Hiroshi Watanabe and Masao Ogata,
    "Anomalous changes of Fermi surface and Hall coefficient at quantum critical point",
    Physica B 403, 1390 (2008).

17. Hiroshi Watanabe and Masao Ogata,
    "Charge order, spin order and superconductivity in two-dimensional electron systems: Effect of nearest-neighbor Coulomb interaction",
    Physica B 378-380, 569 (2006).

Articles in Japanese

1. 渡部洋, 池田浩章, 柚木清司,
   「軌道自由度から導かれる銅酸化物高温超伝導体の統一的理解 」
   固体物理 58 (2023), 5月号, 21-32.

2. 渡部洋, 妹尾仁嗣, 柚木清司,
   「二次元有機導体の超伝導発現機構」
   日本物理学会誌 vol. 75, No. 10 (2020), 625-630.

3. 渡部洋, 白川知功, 柚木清司,
   「5d電子系イリジウム酸化物における新奇な絶縁体と超伝導」
   日本物理学会誌 vol. 70, No. 1 (2015), 31-35.

4. 渡部洋, 小形正男,
   「有機導体における新奇な電荷秩序と超伝導」
   固体物理 42 (2007), 3月号, 185-191.

Award

1. 2020 Young Scientist Award of the Physical Society of Japan

2. FY2019 RIKEN Research Incentive Award

3. FY2012 RIKEN Research Incentive Award

4. Journal of the Physical Society of Japan, "Paper's of Editor's Choice", Vol. 75 (2006).
   J. Phys. Soc. Jpn. 75, 063702 (2006).

Grant

1. FY2024-2027 (Contributory)
   Grant-in-Aid for Scientific Research (B)
   多軌道ハバード模型の具現化による非従来型高温超伝導体の創出

2. FY2022-2024 (Contributory)
   Grant-in-Aid for Scientific Research (C)
   超伝導転移温度とdp混成の相関メカニズムについての理論構築と物質設計 

3. FY2020-2022 (Representative)
   Grant-in-Aid for Scientific Research (C)
   軌道自由度がもたらす銅酸化物高温超伝導体の新展開の理論

4. FY2014-2017 (Representative)
   Grant-in-Aid for Young Scientists (B)
   バンド間相互作用がもたらすエキシトン凝縮と新たな超伝導の理論

5. FY2013-2016 (Contributory)
   Grant-in-Aid for Scientific Research (B)
   5d遷移金属酸化物の強いスピン軌道相互作用がもたらす強相関量子相に関する微視理論

6. FY2012-2014 (Representative)
   Grant-in-Aid for Young Scientists (B)
   スピン軌道相互作用と擬スピンのゆらぎがもたらす新たな超伝導の理論的研究

7. FY2007-2008 (Representative)
   Grant-in-Aid for JSPS Fellows
   強相関電子系における超伝導・磁性・電荷秩序に関する理論的研究