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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.
Potential energy surfaces of actinide nuclei from a multidimensional constrained covariant density functional theory: Barrier heights and saddle point shapes
Source PublicationPHYSICAL REVIEW C
Language英语
KeywordMean-field Theory Hartree-bogoliubov Theory Ground-state Properties Fission-barriers Superheavy Nuclei Heavy-nuclei Deformation Models
AbstractThe 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.
2012
ISSN0556-2813
Volume85Issue:1Pages:11301
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNSFC [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]
Citation statistics
Cited Times:102[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15179
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLu, BN (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
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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