研究業績
  1. "Antiferromagnetic, Charge and Orbital Ordered States of Na0.5CoO2 Based on the Two-Dimensional Triangular Lattice d-p Model"
    Y. Yamakawa, Y. Ono
    arXiv:0806.0911:to appear in J. Phys. Chem. Solids

  2. "Superconductivity and Spin gap in the zigzag chain t-J model simulating a CuO double chain in Pr_2Ba_4Cu_7O_15-delta"
    Kazuhiro Sano, Yoshiaki Ono
    J. Phys. Soc. Jpn. 76 (2007) 113701

  3. Ferromagnetism and superconductivity in the one-dimensional multi-orbital Hubbard model
    Journal of Magnetism and Magnetic Materials
    Volume 310, Issue 2, Part 2, March 2007, Pages e319-e321
    Proceedings of the 17th International Conference on Magnetism, The International Conference on Magnetism 2006
    Kazuhiro Sano and Yoshiaki Ono

  4. Electronic state of NaxCoO2 based on the two-dimensional triangular lattice d-p model
    J. Phys.: Condens. Matter 19 145289 (2007)
    Y. Yamakawa and Y. Ono

  5. Heavy fermion state in the periodic Anderson-Holstein model away from half filling
    Journal of Magnetism and Magnetic Materials
    Volume 310, Issue 2, Part 1, March 2007, Pages 419-421
    Proceedings of the 17th International Conference on Magnetism, The International Conference on Magnetism 2006
    K. Mitsumoto, and Y.Ono

  6. Nonadiabatic interaction between electrons and Jahn-Teller distortions in a silicon vacancy
    Journal of Magnetism and Magnetic Materials
    Volume 310, Issue 2, Part 2, March 2007, Pages 993-995
    Proceedings of the 17th International Conference on Magnetism, The International Conference on Magnetism 2006
    Y. Yamakawa, K. Mitsumoto and Y. Ono

  7. Charge Gap in the One-Dimensional Extended Hubbard Model at Quarter Filling
    Phys. Rev. B 75, 113103 (2007)
    cond-mat/0612050
    K. Sano, Y. Ono
  8. Ferromagnetism and superconductivity in the one-dimensional multi-orbital Hubbard model
    Journal of Magnetism and Magnetic Materials
    Volume 310, Issue 2, Part 2, March 2007, Pages e319-e321
    Proceedings of the 17th International Conference on Magnetism, The International Conference on Magnetism 2006
    Kazuhiro Sano and Yoshiaki Ono

  9. Electronic state of NaxCoO2 based on the two-dimensional triangular lattice d-p model
    J. Phys.: Condens. Matter 19 145289 (2007)
    Y. Yamakawa and Y. Ono

  10. Heavy fermion state in the periodic Anderson\u2013Holstein model away from half filling
    Journal of Magnetism and Magnetic Materials
    Volume 310, Issue 2, Part 1, March 2007, Pages 419-421
    Proceedings of the 17th International Conference on Magnetism, The International Conference on Magnetism 2006
    K. Mitsumoto, and Y.Ono

  11. Nonadiabatic interaction between electrons and Jahn\u2013Teller distortions in a silicon vacancy
    Journal of Magnetism and Magnetic Materials
    Volume 310, Issue 2, Part 2, March 2007, Pages 993-995
    Proceedings of the 17th International Conference on Magnetism, The International Conference on Magnetism 2006
    Y. Yamakawa, K. Mitsumoto and Y. Ono

  12. Charge Gap in the One-Dimensional Extended Hubbard Model at Quarter Filling
    Phys. Rev. B 75, 113103 (2007)
    cond-mat/0612050
    K. Sano, Y. Ono

  13. Heavy fermions and rattling motions in the periodic Anderson-Holstein model
    Physica B: Condensed Matter
    Volumes 378-380, 1 May 2006, Pages 265-266
    Proceedings of the International Conference on Strongly Correlated Electron Systems - SCES 2005
    K. Mitsumoto and Y. Ono

  14. Heavy fermions in the periodic Anderson model with singlet-triplet crystal-field levels
    Physica B: Condensed Matter
    Volumes 378-380, 1 May 2006, Pages 694-695
    Proceedings of the International Conference on Strongly Correlated Electron Systems - SCES 2005
    Y. Ono and K. Mitsumoto

  15. Superconductivity in the CuO double chain of Pr2Ba4Cu7O15-δ on the basis of Tomonaga-Luttinger liquid theory （共著）
    Journal of the Physical Society of Japan (2005) Vol.74, No.11, pp.2885-2888
    Kazuhiro Sano, Yoshiaki Ono and Yuh Yamada

  16. Phonon softening and double-well potential formation due to electron-phonon interaction in heavy-fermion systems （共著）
    Physica C (2005) Vol.426-431, pp.330-334
    Keisuke Mitsumoto and Yoshiaki Ono

  17. Phase diagram and dynamic response functions of the Holstein-Hubbard model （共著）
    Physica B (2005) Vol.359-361, pp.795-797
    W. Koller, D. Meyer, A. C. Hewson and Y. Ono

  18. Critical behavior near the metal-insulator transition in the one-dimensional extended Hubbard model at quarter filling
    Phys. Rev. B 70, 155102 (2004)
    Kazuhiro Sano; Yoshiaki Ono

  19. First- and Second Order Phase Transitions in the Holstein-Hubbard Model （共著）
    Europhysics Letters (2004) Vol.66, No.4, pp.559-564
    W. Koller, D. Meyer, Y. Ono and A. C. Hewson

  20. Nonlinear σ model method for the J1-J2 Heisenberg model: disorderd ground state with plaquette symmetry （共著）
    Physical Review Letters (2003) Vol.91, No.19, pp.197202-1-4
    Ken'ichi Takano, Yoshiya Kito, Yoshiaki Ono and Kazuhiro Sano

  21. Ferromagnetism and Superconductivity in the Multi-orbital Hubbard Model: Hund's Rule Coupling versus Crystal-Field Splitting （共著）
    Journal of the Physical Society of Japan (2003) Vol.72, No.8, pp.1847-1850
    Kazuhiro Sano and Yoshiaki Ono

  22. Mott transitions in correlated electron systems with orbital degrees of freedom （共著）
    Physical Review B (2003) Vol.67, pp.035119-1-6
    Yoshiaki Ono, Ralf Bulla and Michael Potthoff

  23. Magnetism and Superconductivity in a Two-band Hubbard Model in Infinite Dimensions （共著）
    Journal of the Physical Society of Japan (2002) Vol.71 Supplement, pp.356-358
    Yoshiaki Ono and Kazuhiro Sano

  24. Critical behaviour near the metal-insulator transition of a doped Mott insulator （共著）
    The European Physical Journal B (2001) Vol.22, No.3, pp.283-290
    Yoshiaki Ono, Ralf Bulla, Alex C. Hewson and Michael Potthoff

  25. Phase diagram of the Mott Transition in a two-band Hubbard model in infinite dimensions （共著）
    The European Physical Journal B (2001) Vol.19, No.3, pp.375-384
    Yoshiaki Ono, Ralf Bulla and Alex C. Hewson