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题名: Variation after projection with a triaxially deformed nuclear mean field
作者: Gao, ZC;  Horoi, M;  Chen, YS
刊名: PHYSICAL REVIEW C
出版日期: 2015
卷号: 92, 期号:6, 页码:64310
学科分类: Physics
DOI: http://dx.doi.org/10.1103/PhysRevC.92.064310
通讯作者: Gao, ZC (reprint author), China Inst Atom Energy, Beijing 102413, Peoples R China.
文章类型: Article
英文摘要: We implemented a variation after projection (VAP) algorithm based on a triaxially deformed Hartree-Fock-Bogoliubov vacuum state. This is the first projected mean field study that includes all the quantum numbers (except parity), i.e., spin (J), isospin (T), and mass number (A). Systematic VAP calculations with JTA projection have been performed for the even-even sd-shell nuclei with the USDB Hamiltonian. All the VAP ground state energies are within 500 keV above the exact shell model values. Our VAP calculations show that the spin projection has two important effects: (1) the spin projection is crucial in achieving good approximation of the full shell model calculation; (2) the intrinsic shapes of the VAP wave functions with spin projection are always triaxial, while the Hartree-Fock-Bogoliubov methods likely provide axial intrinsic shapes. Finally, our analysis suggests that one may not be possible to associate an intrinsic shape to an exact shell model wave function.
类目[WOS]: Physics, Nuclear
关键词[WOS]: SHELL-MODEL ;  MG-24 ;  SPECTROSCOPY ;  SHAPES ;  BODY
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11175258, 11575290, 11321064, 11275068] ;  CUSTIPEN (China-US Theory Institute for Physics with Exotic Nuclei) under US DOE [DE-FG02-13ER42025] ;  State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF141CJ1] ;  National Science Foundation [PHY-1404442]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/20751
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Recommended Citation:
Gao, ZC,Horoi, M,Chen, YS. Variation after projection with a triaxially deformed nuclear mean field[J]. PHYSICAL REVIEW C,2015,92(6):64310.
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