NUCLEAR PAIRING PHASE TRANSITION

  • The intrinsic structure of the eigenfunctions of Cranking Shell Model hamiltonian and the pairing phase transition at high rotational frequency are investigated with the particle-number-conserving approach.Pair-transfer matrix elements and the K-structure of the wave functions display similar behaviour under the Coriolis interaction and hence both of them may be used to indicate the pairing phase transition.The blocking effects on pairing parameter,,are much more important than the Coriolis anti-pairing effects.
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  • [1] R. Chapman, et al., Phys. Rev. Lett, 51(1983), 2265.[2] H. G. Price, et al., Phys. Rev. Lett., 51(1983), 1842.[3] B. R. Mottelson and J. G. Valatin, Phys. Rev. Lett., 5(1960), 511.[4] L. F. Canto, P. Ring and J. 0. Rasmussen, LBL-19519(1985).[5] 例如, P. Ring, R. Beck and H. J. Mang, Z. Physik, 231(1970), 103.B. Banerjee, H. J. Mang and P. Ring, Nucl. Phys., A215(1973), 366.A. Goodman, Nucl. Phys., A258(1976), 113.[6] J. L. Edigo and P. Ring, Nucl. Phys., A388(1182), 19.[7] S. Cohen, F. P. Plasil and W. J. Swiatecki, Ann. of Phys., 82(1974), 557.[8] W. Nazarawicz, J. Dudek and Z. Szymanski, Nucl. Phys., A436(1985), 139.[9] P. Ring and P. Schuck, The Nuclear Many-body Problem (Springer-Verlag, 1980).[10] M. W. Guidry, et al., Nucl. Phys., A361(1981), 275.J. 0 Rasmussen, M. W. Guidry and L. F. Canto, Preprint LBL-19125 (1985).[11] D. J. Rowe, Nuclear Collective Motion (Methuen, London, 1970), ch. 11.[12] J. Y. Zeng and T. S. Cheng, Nucl. Phys., A405(1983), 1.[13] J. Y. Zeng, T. S. Cheng, L. Cheng and C. S. Wu, Nucl. Phys., A411(1983), 49.[14] J. Y. Zeng, T. S. Cheng, L. Cheng and C. S. Wu, Nucl. Phys., A421(1984), 125.[15] J. Y. Zen€!, T. S. Cheng, L. Cheng and C. S. Wu, Nucl. Phys., A414(1984), 253.[16] T. S. Cheng, C. S. Wu and J. Y. Zeng, Chin. Phys. Lett., 4(1986), 125.[17] I. Hamarnoto, Nucl. Phys., A271(1976), 15.[18] B. Bengtsson and H. B. HBkansson, Nucl. Phys, A357(1981), 61.
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WU Chong-Shi and ZENG Jin-Yan. NUCLEAR PAIRING PHASE TRANSITION[J]. Chinese Physics C, 1988, 12(1): 95-101.
WU Chong-Shi and ZENG Jin-Yan. NUCLEAR PAIRING PHASE TRANSITION[J]. Chinese Physics C, 1988, 12(1): 95-101. shu
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Received: 1900-01-01
Revised: 1900-01-01
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NUCLEAR PAIRING PHASE TRANSITION

  • Beijing University

Abstract: The intrinsic structure of the eigenfunctions of Cranking Shell Model hamiltonian and the pairing phase transition at high rotational frequency are investigated with the particle-number-conserving approach.Pair-transfer matrix elements and the K-structure of the wave functions display similar behaviour under the Coriolis interaction and hence both of them may be used to indicate the pairing phase transition.The blocking effects on pairing parameter,,are much more important than the Coriolis anti-pairing effects.

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