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Dai, LR; Pan, F; Liu, L; Wang, LX; Draayer, JP; Dai, LR (reprint author), Liaoning Normal Univ, Dept Phys, Dalian 116029, Peoples R China.
Alternative characterization of the spherical to axially deformed shape-phase transition in the interacting boson model
Source PublicationPHYSICAL REVIEW C
Language英语
KeywordCollective Nuclear-states Dynamical-symmetry Racah Coefficients Limit Su(3) Wigner u(5) Ibm Su3
AbstractThe quantum phase transitional behavior of an alternative characterization of the spherical to axially deformed shape-phase transition in the interacting boson model is explored. Specifically, the usual SU(3) quadrupole-quadrupole interaction is replaced by an O(6) cubic interaction, and the transitional behaviors of the low-lying energy levels, eigenstates, isomer shifts, E2 transition rates, and expectation values of shape variables across the entire transitional region are all examined within this context. A comparison with outcomes of the usual U(5)-SU(3) transitional description shows that the spherical to axially deformed shape-phase transition can also be described within this alternative context, especially near the critical point. However, with the O(6) cubic interaction the transition is considerably smoother than for the U(5)-SU(3) case, but with the nuclear shape less well defined, even in the axially deformed limit. It is also shown that the new scheme seems better than the usual U(5)-SU(3) scheme in describing the low-lying spectrum of Sm-152 with X(5) critical point symmetry.
2012
ISSN0556-2813
Volume86Issue:3Pages:34316
Subject AreaPhysics
Indexed BySCI
Funding OrganizationUS National Science Foundation [OCI-0904874]; Southeastern Universities Research Association; Natural Science Foundation of China [10975068, 11175078]; Doctoral Program Foundation of the State Education Ministry of China [20102136110002]; Chinese Academy of Sciences [KJCX2.YW.W10]; LSU-LNNU [9961] ; US National Science Foundation [OCI-0904874]; Southeastern Universities Research Association; Natural Science Foundation of China [10975068, 11175078]; Doctoral Program Foundation of the State Education Ministry of China [20102136110002]; Chinese Academy of Sciences [KJCX2.YW.W10]; LSU-LNNU [9961] ; US National Science Foundation [OCI-0904874]; Southeastern Universities Research Association; Natural Science Foundation of China [10975068, 11175078]; Doctoral Program Foundation of the State Education Ministry of China [20102136110002]; Chinese Academy of Sciences [KJCX2.YW.W10]; LSU-LNNU [9961] ; US National Science Foundation [OCI-0904874]; Southeastern Universities Research Association; Natural Science Foundation of China [10975068, 11175078]; Doctoral Program Foundation of the State Education Ministry of China [20102136110002]; Chinese Academy of Sciences [KJCX2.YW.W10]; LSU-LNNU [9961]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15030
Collection理论物理所科研产出_SCI论文
Corresponding AuthorDai, LR (reprint author), Liaoning Normal Univ, Dept Phys, Dalian 116029, Peoples R China.
Recommended Citation
GB/T 7714
Dai, LR,Pan, F,Liu, L,et al. Alternative characterization of the spherical to axially deformed shape-phase transition in the interacting boson model[J]. PHYSICAL REVIEW C,2012,86(3):34316.
APA Dai, LR,Pan, F,Liu, L,Wang, LX,Draayer, JP,&Dai, LR .(2012).Alternative characterization of the spherical to axially deformed shape-phase transition in the interacting boson model.PHYSICAL REVIEW C,86(3),34316.
MLA Dai, LR,et al."Alternative characterization of the spherical to axially deformed shape-phase transition in the interacting boson model".PHYSICAL REVIEW C 86.3(2012):34316.
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