ITP OpenIR  > 理论物理所2012年知识产出
Potential energy surfaces of actinide nuclei from a multidimensional constrained covariant density functional theory: Barrier heights and saddle point shapes
Lu, BN; Zhao, EG; Zhou, SG; Lu, BN (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
2012
发表期刊PHYSICAL REVIEW C
ISSN0556-2813
卷号85期号:1页码:11301
摘要The potential energy surfaces of actinide nuclei in the (beta(20), beta(22), beta(30)) deformation space are obtained from a multidimensional constrained covariant density functional theory. With this newly developed theory, we are able to explore the importance of the triaxial and octupole shapes simultaneously along the whole fission path. It is found that aside from the octupole deformation, the triaxiality also plays an important role upon the second fission barriers. Both the outer and the inner barriers are lowered by the triaxial deformation compared with axially symmetric results. This lowering effect for the reflection-asymmetric outer barrier is 0.5 similar to 1 MeV, accounting for 10%similar to 20% of the barrier height. With the inclusion of the triaxial deformation, a good agreement with the data for the outer barriers of actinide nuclei is achieved.
部门归属[Lu, Bing-Nan; Zhao, En-Guang; Zhou, Shan-Gui] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Zhao, En-Guang; Zhou, Shan-Gui] Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China; [Zhao, En-Guang] Peking Univ, Sch Phys, Beijing 100871, Peoples R China
关键词Mean-field Theory Hartree-bogoliubov Theory Ground-state Properties Fission-barriers Superheavy Nuclei Heavy-nuclei Deformation Models
学科领域Physics
资助者NSFC [10875157, 10975100, 10979066, 11175252, 11120101005]; MOST [2007CB815000]; CAS [KJCX2-EW-N01, KJCX2-YW-N32] ; NSFC [10875157, 10975100, 10979066, 11175252, 11120101005]; MOST [2007CB815000]; CAS [KJCX2-EW-N01, KJCX2-YW-N32] ; NSFC [10875157, 10975100, 10979066, 11175252, 11120101005]; MOST [2007CB815000]; CAS [KJCX2-EW-N01, KJCX2-YW-N32] ; NSFC [10875157, 10975100, 10979066, 11175252, 11120101005]; MOST [2007CB815000]; CAS [KJCX2-EW-N01, KJCX2-YW-N32]
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收录类别SCI
语种英语
资助者NSFC [10875157, 10975100, 10979066, 11175252, 11120101005]; MOST [2007CB815000]; CAS [KJCX2-EW-N01, KJCX2-YW-N32] ; NSFC [10875157, 10975100, 10979066, 11175252, 11120101005]; MOST [2007CB815000]; CAS [KJCX2-EW-N01, KJCX2-YW-N32] ; NSFC [10875157, 10975100, 10979066, 11175252, 11120101005]; MOST [2007CB815000]; CAS [KJCX2-EW-N01, KJCX2-YW-N32] ; NSFC [10875157, 10975100, 10979066, 11175252, 11120101005]; MOST [2007CB815000]; CAS [KJCX2-EW-N01, KJCX2-YW-N32]
WOS记录号WOS:000298988500001
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15179
专题理论物理所2012年知识产出
通讯作者Lu, BN (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
推荐引用方式
GB/T 7714
Lu, BN,Zhao, EG,Zhou, SG,et al. Potential energy surfaces of actinide nuclei from a multidimensional constrained covariant density functional theory: Barrier heights and saddle point shapes[J]. PHYSICAL REVIEW C,2012,85(1):11301.
APA Lu, BN,Zhao, EG,Zhou, SG,&Lu, BN .(2012).Potential energy surfaces of actinide nuclei from a multidimensional constrained covariant density functional theory: Barrier heights and saddle point shapes.PHYSICAL REVIEW C,85(1),11301.
MLA Lu, BN,et al."Potential energy surfaces of actinide nuclei from a multidimensional constrained covariant density functional theory: Barrier heights and saddle point shapes".PHYSICAL REVIEW C 85.1(2012):11301.
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