Boson Number Dependence of the Quantities Sensitive to Phase Transition in the Interacting Bosons Model

ZHANG Yu; HOU Zhan-Feng; LIU Yu-Xin

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 2006, Vol. 30> Issue(S2) : 90-93

Boson Number Dependence of the Quantities Sensitive to Phase Transition in the Interacting Bosons Model

Department of Physics, Peking University, Beijing 100871, China2 The Key Laboratory of Heavy Ion Physics, Ministry of Education, Beijing 100871, China

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Abstract：
We study the features of nuclear shape phase transition in the framework of interacting boson model(IBM). By comparing the critical behaviors in the U(5)-O(6) and U(5)-SU(3) transitional regions with the increasing of the total boson number, we find out that the B(E2) ratios B(E24₁→2₁)/B(E2};2₁→0₁),B(E2;0₂→2₁)/B(E2;2₁→0₁) and so on can be taken as the effective order parameters to distinguish between the first and second phase transition.

References

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ZHANG Yu, HOU Zhan-Feng and LIU Yu-Xin. Boson Number Dependence of the Quantities Sensitive to Phase Transition in the Interacting Bosons Model[J]. Chinese Physics C, 2006, 30(S2): 90-93.

ZHANG Yu, HOU Zhan-Feng and LIU Yu-Xin. Boson Number Dependence of the Quantities Sensitive to Phase Transition in the Interacting Bosons Model[J]. Chinese Physics C, 2006, 30(S2): 90-93. shu

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Received: 2006-10-16
Revised: 1900-01-01

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

Boson Number Dependence of the Quantities Sensitive to Phase Transition in the Interacting Bosons Model

Corresponding author: LIU Yu-Xin,

Department of Physics, Peking University, Beijing 100871, China2 The Key Laboratory of Heavy Ion Physics, Ministry of Education, Beijing 100871, China

Received Date: 2006-10-16
Accepted Date: 1900-01-01
Available Online: 2006-01-03

Abstract: We study the features of nuclear shape phase transition in the framework of interacting boson model(IBM). By comparing the critical behaviors in the U(5)-O(6) and U(5)-SU(3) transitional regions with the increasing of the total boson number, we find out that the B(E2) ratios B(E24₁→2₁)/B(E2};2₁→0₁),B(E2;0₂→2₁)/B(E2;2₁→0₁) and so on can be taken as the effective order parameters to distinguish between the first and second phase transition.