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Prog. Theor. Phys. Vol. 78 No. 6 (1987) pp. 1330-1350

[ Full Text PDF : FREE ACCESS (738K) ]

Collective Pair Excitations in Dynamical Nuclear Field Theory. II

Tetsuo Kammuri and Teruo Kishimoto*

Department of Physics, Osaka University, Toyonaka 560
*Institute of Physics, University of Tsukuba, Ibaraki 305

(Received July 23, 1987)

Abstract:

For the study of collective excitations in a superconducting nuclear system with the pairing force, the dynamical nuclear field theory (DNFT) is extended so as to include higher-order effects. Effective number and pair-creation operators are evaluated up to second-order in the amplitudes of the pair rotation or vibration. The number equation and the self-consistency condition are extended to the same order accordingly, while the effective Hamiltonian is calculated up to third-order. Physical interpretation of the results becomes easy if renormalized collective parameters are used. Decoupling of the pair rotation and the pair vibration is shown to persist in the higher-order approximation.


URL : http://ptp.ipap.jp/link?PTP/78/1330/
DOI : 10.1143/PTP.78.1330

[ Full Text PDF : FREE ACCESS (738K) ] Citation:

References:

  1. T. Kishimoto and T. Kammuri, Prog. Theor. Phys. 74 (1985), 1245[PTP].
  2. T. Kishimoto and T. Kammuri, Prog. Theor. Phys. 77 (1987), 332[PTP].
  3. J. Högaasen-Feldman, Nucl. Phys. 28 (1961), 258[Elsevier].
    D. R. Bès and R. A. Broglia, Nucl. Phys. 80 (1966), 289[CrossRef].
    Y. Miyanishi and G. Watanuki, Prog. Theor. Phys. 63 (1980), 329[PTP].
  4. T. Kishimoto, T. Tamura and T. Kammuri, Prog. Theor. Phys. Suppl. Nos. 74 & 75 (1983), 170[PTP].

Citing Article(s) :

  1. Progress of Theoretical Physics Vol. 80 No. 2 (1988) pp. 258-267 :
    Coupling of Particles with the Pair Rotaion in Odd-Mass Nuclei
    Tetsuo Kammuri and Teruo Kishimoto
  2. Progress of Theoretical Physics Vol. 81 No. 1 (1989) pp. 117-139 :
    Nuclear Collective Rotation in the SU3 Model. I
    Shin-ichi Kinouchi, Tetsuo Kammuri and Teruo Kishimoto
  3. Progress of Theoretical Physics Vol. 82 No. 2 (1989) pp. 338-359 :
    Collective Vibrations of Spherical Nuclei in Dynamical Nuclear Field Theory
    Teruo Kishimoto and Tetsuo Kammuri
  4. Progress of Theoretical Physics Vol. 83 No. 2 (1990) pp. 175-179 :
    Intrinsic Operators Decoupled with the Pairing Rotation
    Kimikazu Taniguchi and Yoshinao Miyanishi
  5. Progress of Theoretical Physics Vol. 84 No. 3 (1990) pp. 470-493 :
    Perturbation Expa]nsion in Dynamical Nuclear Field Theory and Its Relation with Boson Expansion Theory
    Teruo Kishimoto and Tetsuo Kammuri
  6. Progress of Theoretical Physics Vol. 91 No. 1 (1994) pp. 27-47 :
    Rapidly Rotating Nuclei in the SU3 Model
    Tetsuo Kammuri

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