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 anomaly cannot be explained with O(6) higher-order interactions

Wang, Tao

doi:10.1103/physrevc.107.064303

Cited by 5 publications

(2 citation statements)

References 57 publications

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“…In fact, this point can be better understood from the above discussions. It has been pointed out above that triaxial deformation cannot be produced in the O(6) limit up to the fourth-order interactions as adopted in [45]. Meanwhile, it is also shown here that adding the higher-order terms like ( ) • ( )…”

Section: Numerical Examination Of the O(6) Imagementioning

confidence: 53%

“…A key factor of generating B(E2) anomaly characterized by B 42 < 1.0 in the SU(3) limit is to introduce symmetry-conserving high-order terms [12,44]. In contrast, the recent analysis given in [45] indicates that the O(6) Hamiltonian similar to that used in the SU(3) scheme [44] cannot bring B(E2) anomaly in yrast states. In fact, this point can be better understood from the above discussions.…”

Section: Numerical Examination Of the O(6) Imagementioning

confidence: 99%

See 1 more Smart Citation

Triaxial rotor in the O(6) limit of the interacting boson model

Teng,

Wang,

Zhang

et al. 2023

Phys. Scr.

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A mapping from the triaxial rotor Hamiltonian to that of the O(6) limit in the interacting boson model (IBM) is established, which is achieved by introducing the symmetry-conserving high-order interactional terms The validity of the proposed mapping scheme is further examined for the cases with γ = 0 and γ = π/6, respectively. It is shown that the rotor model results can be well reproduced in its O(6) image especially for the low-spin states. It thus provides an alternative way to understand the triaxiality in the finite-N systems and additional insight into the O(6) IBM theory.

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Section: Numerical Examination Of the O(6) Imagementioning

confidence: 53%

Section: Numerical Examination Of the O(6) Imagementioning

confidence: 99%

Triaxial rotor in the O(6) limit of the interacting boson model

Teng,

Wang,

Zhang

et al. 2023

Phys. Scr.

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Emerging γ-soft-like spectrum in ¹⁹⁶Pt in the SU3-IBM (I)*

Wang 王,

He 何,

Zhou 周

et al. 2024

Chinese Phys. C

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Recently, it has been argued that a spherical-like spectrum emerges in the SU3-IBM,opening up new approaches to understand the γ-softness in realistic nuclei. In a previous paper,γ-softness with degeneracy of the ground and quasi-γ bands was observed. In this paper, anotherspecial point connected with the middle degenerate point is discussed, which is found to be relatedwith the properties of 196Pt. This emergent γ-softness has also been shown to be important forunderstanding the prolate-oblate asymmetric shape phase transition. The low-lying spectra, B(E2)values and quadrupole moments in 196Pt are discussed showing that the new model can accountfor several observed features. This is the first part of the discussions on the γ-soft-like spectrum of196Pt.

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