1. Charge imbalance effect on interlayer hopping and Fermi surfaces in multilayered high-T_c cuprates
   M. Mori, T. Tohyama and S. Maekawa
   J. Phys. Soc. Jpn. 75, (2006) 034708 (1-7).

2. Symmetry of photoexcited states and large-shift Raman scattering in two-dimensional Mott insulators
   T. Tohyama
   J. Phys. Soc. Jpn. 75, (2006) 034713 (1-6).

3. Spinon and holon excitations in one-dimensional correlated electron systems
   H. Matsueda, N. Bulut, T. Tohyama and S. Maekawa
   Effective Models for Low-Dimensional Strongly Correlated Systems, AIP Conference Proceedings 816, eds. G. G. Batrouni and D. Poilblanc, pp. 66-77 (2006).

4. Theory of Cu L-edge resonant inelastic X-ray scattering in insulating cuprates
   K. Tsutsui, H. Yamamoto, T. Tohyama and S. Maekawa
   J. Phys. Chem. Solids 67, (2006) 274-276.

5. Spectral function in hole- and electron-doped high-T_c cuprates
   T. Tohyama
   J. Phys. Chem. Solids 67, (2006) 632-634.

6. Nonlinear Optical Response of SDW Insulators
   S. A. Jafari, T. Tohyama and S. Maekawa
   J. Phys. Soc. Jpn. 75, (2006) 054703 (1-9).

7. Nonlinear Optical Response of SDW InsulatorDistinct spinon and holon dispersions in photoemission spectral functions from one-dimensional SrCuO₂
   B. J. Kim, H. Koh, E. Rotenberg, S.-J. Oh, H. Eisaki, N. Motoyama, S. Uchida, T. Tohyama, S. Maekawa, Z.-X. Shen and C. Kim
   Nature Physics 2, (2006) 397-401.

8. Dynamical Mean Field Theory of Optical Third Harmonic Generation
   S. A. Jafari, T. Tohyama and S. Maekawa
   J. Phys. Soc. Jpn. 75, (2006) 083706 (1-4).

9. Anomalous temperature dependence of the single-particle spectrum in the organic conductor TTF-TCNQ
   N. Bulut, H. Matsueda, T. Tohyama and S. Maekawa
   Phys. Rev. B 74, (2006) 113106 (1-4).

10. Effect of frustration on charge dynamics for a doped two-dimensional triangular Hubbard lattice: Comparison with a square lattice
    T. Tohyama
    Phys. Rev. B 74, (2006) 113108 (1-4).

11. Electron-phonon coupling and spin-charge separation in one-dimensional Mott insulators
    H. Matsueda, T. Tohyama and S. Maekawa
    Phys. Rev. B 74, (2006) 241103(R) (1-4).

12. Electron-hole asymmetry in high-Tc cuprates from theoretical viewpoints
    T. Tohyama
    Iranian J. Phys. Res. 6, (2006) 149-158.

13. Numerically exact diagonatization study of Drude weight and chemical potential in two-dimensional Hubbard model
    T. Tohyama
    J. Phys. Chem. Solids 67, (2006) 2210-2213.

14. Fermi surface splittings in multilayered high-Tc cuprates
    M. Mori, T. Tohyama and S. Maekawa
    Physica C445-448, (2006) 23-25.

15. Symmetry of magnetic excitons in two-dimensional Mott insulators
    T. Tohyama
    J. Mag. Mag. Matr.310, (2007) e255-e257.

16. Theoretical study of resonant inelastic X-ray scattering in ladder cuprates
    K. Tsutsui, T. Tohyama and S. Maekawa
    J. Mag. Mag. Matr.310, (2007) 972-974.

17. Effect of electron-phonon coupling on spin-charge separation in one-dimensional strongly correlated electron systems
    H. Matsueda, T. Tohyama and S. Maekawa
    J. Mag. Mag. Matr.310, (2007) 975-977.

18. Effect of Kondo resonance on optical third harmonic generation
    S.A. Jafari, T. Tohyama and S. Maekawa
    J. Mag. Mag. Matr.310, (2007) 960-962.

19. Effect of frustration on optical conductivity in a two-dimensional triangular Hubbard model near half filling
    T. Tohyama
    J. Phys.: Cond. Matt.19, (2007) 145287 (1-5).

20. Dynamical Mean Field Theory Study of the Linear and Nonlinear Optics of Kondo Systems
    S. A. Jafari, T. Tohyama and S. Maekawa
    J. Phys. Soc. Jpn.76, (2007) 044706 (1-4).

21. Fermi surface and pseudogap of electron-doped cuprate superconductors: Numerical study of the t-t'-J model
    M. M. Zemljic, P. Prelovsek and T. Tohyama
    Phys. Rev. B 76, (2007) 012502 (1-4).

22. Numerical approach to the low-doping regime of the t-J model
    J. Bonca, S. Maekawa and T. Tohyama
    Phys. Rev. B 76, (2007) 035121 (1-6).

23. Momentum-dependent charge excitations of a two-leg ladder: Resonant inelastic x-ray scattering of (La,Sr,Ca)₁₄Cu₂₄O₄₁
    K. Ishii, K. Tsutsui, T. Tohyama, T. Inami, J. Mizuki, Y. Murakami, Y. Endoh, S. Maekawa, K. Kudo, Y. Koike and K. Kumagai
    Phys. Rev. B 76, (2007) 045124 (1-7).

24. Electronic states of multilayered high-Tc cuprates with charge imbalance: Gutzwiller approximation on interlayer hopping
    M. Mori, T. Tohyama and S. Maekawa
    Physica C460-462, (2007) 216-217.

25. Charge excitations and resonant inelastic X-ray scattering in ladder cuprates
    K. Tsutsui, T. Tohyama and S. Maekawa
    Physica C460-462, (2007) 969-970.

26. Spin, charge, and electronic excitations in cuprate superconductors: Role of the long-range hoppings
    T. Tohyama
    Physica C460-462, (2007) 1006-1007.