1. Magnetic properties of Y(Fe-Co)2
    H. Yamada, T. Tohyama and M. Shimizu
    Journal of Magnetism and Magnetic Materials 66, (1987) pp. 409-412

  2. Magnetic properties of Zr(Fe-Co)2 H. Yamada, T. Tohyama and M. Shimizu
    Journal of Magnetism and Magnetic Materials 66, (1987) pp. 413-416

  3. Metamagnetic transition of ScCo2 and LuCo2 H. Yamada, T. Tohyama and M. Shimizu
    Journal of Physics F: Metal Physics 17, (1987) pp. L163-L167

  4. The itinerant electron metamagnetism for ScCo2, YCo2, LuCo2 H. Yamada, T. Tohyama and M. Shimizu
    Journal of Magnetism and Magnetic Materials 70, (1987) pp. 44-46

  5. Tight-binding calculation of the local moments in ordered FeV alloy
    Y. Ohta, T. Hattori, J. Inoue, T. Tohyama and M. Shimizu
    Journal of Magnetism and Magnetic Materials 75, (1988) pp. 193-196

  6. Tight-binding calculation of electronic structure and magnetic properties in ordered TPt3 ( T=Ti, V, Cr, Mn, Fe and Co ) alloys
    T. Tohyama, Y. Ohta and M. Shimizu
    Journal of Physics: Condensed Matter 1, (1989) pp. 1789-1798

  7. Magnetic properties of the pseudobinary alloy (Cr-Mn)Pt3
    T. Tohyama and M. Shimizu
    Journal of Magnetism and Magnetic Materials 78, (1989) pp. 412-414

  8. Cluster analyses of electronic states in electron-doped copper oxide superconductors
    T. Tohyama, Y. Ohta and S. Maekawa
    Physica C 158, (1989) pp. 525-530

  9. Electronic properties in Cu-oxide superconductors
    S. Maekawa, J. Inoue and T. Tohyama
    Strong correlation and Superconductivity, Springer Series in Solid-State Sciences, Vol.89, (1989) pp.66-76

  10. Transition temperature in copper-oxide superconductors correlated with energy level of apical oxygen
    Y. Ohta, T. Tohyama and S. Maekawa
    Physica C 166, (1990) pp. 385-387

  11. Physical parameters in copper oxides superconductors
    T. Tohyama and S. Maekawa
    Joural of the Physical Society of Japan 59, (1990) pp. 1760-1770

  12. Tc versus \Delta VA correlation in Cu-oxide superconductors
    Y. Ohta, T. Tohyama and S. Maekawa
    Physica B 165&166, (1990) pp. 983-984

  13. Cluster model calculation of physical parameters in copper oxide superconductors
    T. Tohyama and S. Maekawa
    Physica B 165&166, (1990) pp. 1019-1020

  14. Effects of carrier-doping on optical conductivity in high Tc copper oxides
    T. Tohyama and S. Maekawa
    Journal of the Physical Society of Japan 60, (1991) pp. 53-56

  15. Apical oxygen and critical temperature in Cu-oxides superconductor: Universal correlation with the stability of local singlet
    Y. Ohta, T. Tohyama and S. Maekawa
    Physical Review B 43, No.4, (1991) pp. 2968-2982

  16. Charge-transfer gap and superexchange interaction in insulating cuprates
    Y. Ohta, T. Tohyama and S. Maekawa
    Physical Review Letters 66, (1991) pp. 1228-1231

  17. Electronic structure and crystal structure in high Tc oxides
    S. Maekawa, Y. Ohta and T. Tohyama
    Physica C 185-189, (1991) pp. 168-173

  18. Doping dependence of optical conductivity and photoemission spectra in high Tc copper oxides
    T. Tohyama and S. Maekawa
    Physica C 185-189, (1991) pp. 1575-1576

  19. Electronic structure of insulating cuprates: Role of Madelung potential in the charge-transfer gap and superexchange interaction
    Y. Ohta, T. Tohyama and S. Maekawa
    Physica C 185-189, (1991) pp. 1721-1722

  20. One-particle excitation spectra, optical conductivity and O1s X-ray absorption spectra in high-Tc cuprates: A cluster model approach
    T. Tohyama and S. Maekawa
    Physica C 191, (1992) pp. 193-198

  21. Electronic structure in superconducting copper oxides
    S. Maekawa, J. Inoue and T. Tohyama
    The physics and chemistry of oxide superconducto, Springer Proceedings in Physics, Vol.60, (1992) pp.105-115

  22. Physical parameters in high-temperature superconductors
    S. Maekawa, Y. Ohta and T. Tohyama Physics of high-temperature superconductors, Springer Series in Solid-State Sciences, Vol.106, (1992) pp.29-43

  23. Raman scattering in the two-dimensional Hubbard model
    T. Tohyama, J. Inoue and S. Maekawa
    Physica B 186-188, (1993) pp. 968-970

  24. Exact diagonalization study of magnetic properties at finite temperatures in the t-J model
    T. Tohyama, H. Okuda and S. Maekawa
    Physica C 215, (1993) pp. 382-390

  25. Role of next-nearest-neighbor hopping in the t-t'-J model
    T. Tohyama and S. Maekawa
    Physical Review B 49, No.5, (1994) pp. 3596-3599

  26. Correlation effects in x-ray spectra of Ni and Ni in Ni3Mo
    K. Lawniczak-Jablonska, J. Inoue, T. Tohyama and M. T. Czyzyk
    Physical Review B 49, No.20, (1994) pp.14165-14171

  27. Exact diagonalization study of spin and charge dynamics in the t-J model
    T. Tohyama, P. Horsch and S. Maekawa
    Physica C 235-240, (1994) pp.2231-2232

  28. Spin and charge dynamics of the t-J model
    T. Tohyama, P. Horsch and S. Maekawa
    Physical Review Letters 74, No.6, (1995) pp.980-983

  29. Electronic states of cuprate superconductors with apical halogen
    T. Tohyama and S. Maekawa
    Journal of the Physical Society of Japan 65, (1996) pp.667-670

  30. Anomalous low-energy excitations in strongly correlated electron systems
    S. Maekawa, T. Tohyama and S. Yunoki
    Physica C 263, (1996) pp.61-66

  31. Approximate decoupling of spin and charge excitations in the 2D t-J model
    T. Tohyama and S. Maekawa
    Journal of the Physical Society of Japan 65, No.7, (1996) pp.1902-1905.

  32. Anomalous spectral function of the 1D and 2D t-J models
    T. Tohyama and S. Maekawa
    Czechoslovak Journal of Physics 46, (1996) pp.1953-1954.

  33. Electronic states of cuprate superconductors containing halogen or carbon
    T. Tohyama, Y. Shibata and S. Maekawa
    Journal of Low Temperature Physics, 105, (1996) pp.1547-1552.

  34. Observation of Spin-Charge Separation in One-Dimensional SrCuO2
    C. Kim, A. Y. Matsuura, Z.-X. Shen, N. Motoyama, H. Eisaki, S. Uchida, T. Tohyama and S. Maekawa
    Physical Review Letters 77, No.19, (1996) pp.4054-4057.