Berry Phase and Pair Transfer Matrix Element in Rotating Nuclei

Meng Jie; Zeng Jinyan; Zhao Enguang

Chinese Physics C> 1994, Vol. 18> Issue(3) : 249-255

Berry Phase and Pair Transfer Matrix Element in Rotating Nuclei

Institute of Theoretical Physics, Chinese Academy of Science , Beijing 1000802 Department of Physics, Peking University, Beijing 100871

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Abstract：
The exact treatment for the cranked single-j shell model Hamiltonian using the particle-number conserving method and the systematic analysis for the .pair transfer matrix element in rotating nuclei have been done. In contrast to the previous conclusion drawn from the usual Hatree-Fock-Bogoliubov(HFB) method or the number projected HFB treatment, for the pair transfer matrix element from the yrast band to yrast band, a smooth and slow variation with co is observed and no oscillation behavior occurs. But diabolic pair transfer is expected to occur in some higher excited bands.

References

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Meng Jie, Zeng Jinyan and Zhao Enguang. Berry Phase and Pair Transfer Matrix Element in Rotating Nuclei[J]. Chinese Physics C, 1994, 18(3): 249-255.

Meng Jie, Zeng Jinyan and Zhao Enguang. Berry Phase and Pair Transfer Matrix Element in Rotating Nuclei[J]. Chinese Physics C, 1994, 18(3): 249-255. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Berry Phase and Pair Transfer Matrix Element in Rotating Nuclei

Corresponding author: Meng Jie,

Institute of Theoretical Physics, Chinese Academy of Science , Beijing 1000802 Department of Physics, Peking University, Beijing 100871

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1994-03-05

Abstract: The exact treatment for the cranked single-j shell model Hamiltonian using the particle-number conserving method and the systematic analysis for the .pair transfer matrix element in rotating nuclei have been done. In contrast to the previous conclusion drawn from the usual Hatree-Fock-Bogoliubov(HFB) method or the number projected HFB treatment, for the pair transfer matrix element from the yrast band to yrast band, a smooth and slow variation with co is observed and no oscillation behavior occurs. But diabolic pair transfer is expected to occur in some higher excited bands.