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NSR database version of April 27, 2024.

Search: Author = S.Nishiyama

Found 17 matches.

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2016NI10      Int.J.Mod.Phys. E25, 1650057 (2016)

S.Nishiyama, Jo.da Providencia

Velocity operator approach to quantum fluid dynamics in a three-dimensional neutron-proton system

doi: 10.1142/S0218301316500579
Citations: PlumX Metrics

2015NI03      Nucl.Phys. A935, 1 (2015)

S.Nishiyama, J.da Providencia

Description of collective motion in two-dimensional nuclei; Tomonaga's method revisited

doi: 10.1016/j.nuclphysa.2014.12.005
Citations: PlumX Metrics

2014NI04      Nucl.Phys. A923, 51 (2014)

S.Nishiyama, J.da Providencia

Exact canonically conjugate momenta to quadrupole-type collective coordinates and derivation of nuclear quadrupole-type collective Hamiltonian

doi: 10.1016/j.nuclphysa.2014.01.001
Citations: PlumX Metrics

2005NI03      Prog.Theor.Phys.(Kyoto) 113, 153 (2005)

S.Nishiyama, C.Providencia, J.da Providencia, Y.Tsue, M.Yamamura

On the Eigenvalue Problem of the su(1, 1)-Algebra, and the Coupling Scheme of Two su(1, 1)-Spins

doi: 10.1143/PTP.113.153
Citations: PlumX Metrics

2005NI06      Prog.Theor.Phys.(Kyoto) 113, 555 (2005)

S.Nishiyama, C.Providencia, J.da Providencia, Y.Tsue, M.Yamamura

A Note on the Eigenvalue Problem in the su(1, 1)-Algebra

doi: 10.1143/PTP.113.555
Citations: PlumX Metrics

2005NI07      Prog.Theor.Phys.(Kyoto) 113, 563 (2005)

S.Nishiyama, C.Providencia, J.da Providencia, Y.Tsue, M.Yamamura

A Possible Boson Realization of the so(4)- and the so(3, 1)-Algebra - In Relation to the Runge-Lenz-Pauli Vector -

doi: 10.1143/PTP.113.563
Citations: PlumX Metrics

2005WA05      Prog.Theor.Phys.(Kyoto) 113, 369 (2005)

K.Watanabe, Y.Tsue, S.Nishiyama

Amplification of Quantum Meson Modes in the Late Time of the Chiral Phase Transition

doi: 10.1143/PTP.113.369
Citations: PlumX Metrics

2004AK20      Prog.Theor.Phys.(Kyoto) 112, 583 (2004)

H.Akaike, Y.Tsue, S.Nishiyama

Fermionic Squeezed State for the 0(4) Model as a Schematic Model in a Many-Fermion System

doi: 10.1143/PTP.112.583
Citations: PlumX Metrics

2001NI05      Acta Phys.Pol. B32, 1089 (2001)

S.Nishiyama, J.da Providencia, C.da Providencia

Approximate Treatment of Time Dependent Resonating Hartree-Fock Theory Application to Lipkin Model

2001NI09      Nucl.Phys. A688, 882 (2001)

S.Nishiyama, J.da Providencia, O.Ohno

Resonating Mean-Field Theoretical Description of π and σ Mesons by the Nambu-Jona-Lasinio Model

doi: 10.1016/S0375-9474(00)00596-0
Citations: PlumX Metrics

1999NI09      Phys.Rev. C60, 065203 (1999)

S.Nishiyama, J.da Providencia

Resonating Mean-Field Theoretical Approach to the Nambu-Jona-Lasinio Model

doi: 10.1103/PhysRevC.60.065203
Citations: PlumX Metrics

1999NI10      Int.J.Mod.Phys. E8, 443 (1999)

S.Nishiyama, M.Ido, K.Ishida

Parity-Projected Resonating Hartree-Fock Approximation to the Lipkin Model

doi: 10.1142/S0218301399000306
Citations: PlumX Metrics

1999NI11      Int.J.Mod.Phys. E8, 461 (1999)

S.Nishiyama

First-Order Approximation of the Number-Projected SO(2N) Tamm-Dancoff Equation and Its Reduction by the Schur Function

doi: 10.1142/S0218301399000318
Citations: PlumX Metrics

1998NI18      Int.J.Mod.Phys. E7, 601 (1998)

S.Nishiyama

Resonating Relativistic Mean Field Theory of Finite Nuclei

doi: 10.1142/S0218301398000348
Citations: PlumX Metrics

1996NI04      Nucl.Phys. A599, 457 (1996)

S.Nishiyama, K.Ishida, M.Ido

Application of the Resonating Hartree-Fock Random Phase Approximation to the Lipkin Model

doi: 10.1016/0375-9474(95)00460-2
Citations: PlumX Metrics

1994NI06      Nucl.Phys. A576, 317 (1994)

S.Nishiyama

Application of the Resonating Hartree-Fock Theory to the Lipkin Model

doi: 10.1016/0375-9474(94)90248-8
Citations: PlumX Metrics

1972NI10      Prog.Theor.Phys. 47, 134 (1972)

S.Nishiyama, M.Yamamura

Collective Rotational Motion in Non-Degenerate Nuclear System. I

doi: 10.1143/PTP.47.134
Citations: PlumX Metrics