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for journal 'PTP'
author 'S.* Nishiyama' : 28
total : 28

Search Results : 28 articles were found.

  1. Progress of Theoretical Physics Vol. 47 No. 1 (1972) pp. 134-164 : (4)
    Collective Rotational Motion in Non-Degenerate Nuclear System. I
    Seiya Nishiyama and Masatoshi Yamamura
  2. Progress of Theoretical Physics Vol. 47 No. 3 (1972) pp. 892-900 : (4)
    Rotational Motion in Deformed Even Nucleus and Magnetic Octupole-Moments and -Transitions
    Masatoshi Yamamura and Seiya Nishiyama
  3. Progress of Theoretical Physics Vol. 47 No. 6 (1972) pp. 2154a-2154a : (4)
    Collective Rotational Motion in Non-Degenerate Nuclear System. I
    Seiya Nishiyama and Masatoshi Yamamura
  4. Progress of Theoretical Physics Vol. 50 No. 1 (1973) pp. 137-146 : (4)
    A Note on Microscopic Description of Rotational Motion
    Masatoshi Yamamura and Seiya Nishiyama
  5. Progress of Theoretical Physics Vol. 55 No. 4 (1976) pp. 1146-1155 : (4)
    On an Algebraic Foundation of Kinematical Constraints of Pair Operators in a Many-Nucleon System
    Seiya Nishiyama
  6. Progress of Theoretical Physics Vol. 55 No. 4 (1976) pp. 1304-1305 : (4)
    Remarks on a Relation between BZ Boson Expansion and Algebraic Recursion Formulas Constructed in $so(2n)$
    Seiya Nishiyama
  7. Progress of Theoretical Physics Vol. 56 No. 1 (1976) pp. 124-134 : (4)
    An a priori Quantized Time-Dependent Hartree-Bogoliubov Theory
    Masatoshi Yamamura and Seiya Nishiyama
  8. Progress of Theoretical Physics Vol. 57 No. 1 (1977) pp. 96-111 : (4)
    Derivation of Random Phase Approximation on the Basis of the Generalized Schwinger Representation of the Fermion-Pairs
    Yutaka Mizobuchi, Seiya Nishiyama and Masatoshi Yamamura
  9. Progress of Theoretical Physics Vol. 57 No. 5 (1977) pp. 1554-1571 : (4)
    A New Fermion Many-Body Theory Based on the $SO(2N+1)$ Lie Algebra of the Fermion Operators
    Hideo Fukutome, Masatoshi Yamamura and Seiya Nishiyama
  10. Progress of Theoretical Physics Vol. 57 No. 5 (1977) pp. 1797-1799 : (4)
    A Note on Pairing Vibration in the Closed Shell Nuclei
    Yutaka Mizobuchi, Seiya Nishiyama and Masatoshi Yamamura
  11. Progress of Theoretical Physics Vol. 58 No. 4 (1977) pp. 1316-1318 : (4)
    On the Exact Canonical Conjugate Momenta in the Quadrupole Type Nuclear Collective Motion
    Seiya Nishiyama
  12. Progress of Theoretical Physics Vol. 59 No. 5 (1978) pp. 1551-1561 : (4)
    On the Applicability of Generalized Schwinger Representation of the Fermion Pairs to the Anharmonicity. I
    Yutaka Mizobuchi, Seiya Nishiyama and Masatoshi Yamamura
  13. Progress of Theoretical Physics Vol. 59 No. 6 (1978) pp. 1922-1932 : (4)
    On the Applicability of Generalized Schwinger Representation of the Fermion Pairs to the Anharmonicity. II
    Yutaka Mizobuchi, Seiya Nishiyama and Masatoshi Yamamura
  14. Progress of Theoretical Physics Vol. 63 No. 6 (1980) pp. 2005-2015 : (4)
    An Application of the Glauber Approximation to High Energy Heavy-Ion Collisions. I
    Masaharu Iwasaki, Seiya Nishiyama and Kyoichi Wakimaru
  15. Progress of Theoretical Physics Vol. 64 No. 2 (1980) pp. 558-567 : (4)
    A Variational Foundation of the Improper Hartree-Bogoliubov Formalism
    Seiya Nishiyama, Masaharu Iwasaki, Hideo Fukutome and Masatoshi Yamamura
  16. Progress of Theoretical Physics Vol. 64 No. 3 (1980) pp. 911-926 : (4)
    Application of the Improper Hartree-Bogoliubov Formalism to the Schematic Model of Odd Nuclei
    Seiya Nishiyama, Masaharu Iwasaki, Hideo Fukutome and Masatoshi Yamamura
  17. Progress of Theoretical Physics Vol. 66 No. 1 (1981) pp. 348-350 : (4)
    Path Integral on the Coset Space of the $SO(2N)$ Group and the Time-Dependent Hartree-Bogoliubov Equation
    Seiya Nishiyama
  18. Progress of Theoretical Physics Vol. 68 No. 2 (1982) pp. 680-683 : (4)
    Note on the New Type of the $SO(2N+1)$ Time-Dependent Hartree-Bogoliubov Equation
    Seiya Nishiyama
  19. Progress of Theoretical Physics Vol. 69 No. 1 (1983) pp. 100-112 : (4)
    A Jacobi Equation on the Coset Manifold $SO(2N)/U(N)$ and the Quasi-Particle RPA Equation
    Seiya Nishiyama
  20. Progress of Theoretical Physics Vol. 69 No. 6 (1983) pp. 1811-1814 : (4)
    An Equation for the Quasi-Particle RPA Based on the $SO(2N + 1)$ Lie Algebra of the Fermion Operators
    Seiya Nishiyama
  21. Progress of Theoretical Physics Vol. 72 No. 2 (1984) pp. 239-251 : (4)
    Time Dependent $SO(2N+1)$ Theory for Unified Description of Bose and Fermi Type Collective Excitations
    Hideo Fukutome and Seiya Nishiyama
  22. Progress of Theoretical Physics Vol. 85 No. 6 (1991) pp. 1211-1222 : (2)
    Resonating Hartree-Bogoliubov Theory for a Superconducting Fermion System with Large Quantum Fluctuations
    Seiya Nishiyama and Hideo Fukutome
  23. Progress of Theoretical Physics Vol. 86 No. 2 (1991) pp. 371-387 : (2)
    Resonating Random Phase Approximation for Excitations in a Superconducting Fermion System with Large Quantum Fluctuations
    Seiya Nishiyama and Hideo Fukutome
  24. Progress of Theoretical Physics Vol. 112 No. 4 (2004) pp. 583-601 : (4)
    Fermionic Squeezed State for the $O(4)$ Model as a Schematic Model in a Many-Fermion System
    Hideaki Akaike, Yasuhiko Tsue and Seiya Nishiyama
  25. Progress of Theoretical Physics Vol. 113 No. 1 (2005) pp. 153-168 : (4)
    On the Eigenvalue Problem of the $su(1,1)$-Algebra and the Coupling Scheme of Two $su(1,1)$-Spins
    Seiya Nishiyama, Constança Providência, João da Providência, Yasuhiko Tsue and Masatoshi Yamamura
  26. Progress of Theoretical Physics Vol. 113 No. 2 (2005) pp. 369-384 : (4)
    Amplification of Quantum Meson Modes in the Late Time of the Chiral Phase Transition
    Kazu Watanabe, Yasuhiko Tsue and Seiya Nishiyama
  27. Progress of Theoretical Physics Vol. 113 No. 3 (2005) pp. 555-562 : (4)
    A Note on the Eigenvalue Problem in the su(1,1)-Algebra
    Seiya Nishiyama, Constança Providência, João da Providência, Yasuhiko Tsue and Masatoshi Yamamura
  28. Progress of Theoretical Physics Vol. 113 No. 3 (2005) pp. 563-580 : (4)
    A Possible Boson Realization of the $so(4)$- and the $so(3,1)$-Algebra
    Seiya Nishiyama, Constança Providência, João da Providência, Yasuhiko Tsue and Masatoshi Yamamura

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