Relation between the E（5） symmetry and the interacting boson model beyond the mean-field approximati

• 作 者: ZHANG Yu LIU YuXin HOU ZhanFen
• 机 构: DepartmentofPhysics,DepartmentofPhysicsandtheNationalKeyLaboratoryofNuclearPhysicsandTechnology,Cent
• 出 处: 中国科学：物理学、力学、天文学英文版
• 发表日期: 2011年2期
• 关键词: 相互作用玻色子模型 平均场近似 对称性 临界点 哈密顿 代数 相图 quantum phase transition critical point E（5） s
• 基金项目: This work was supported by the National Natural Science Foundation of China （Grant Nos. 10425521, 10875077, 10935001, and 11005056） and the Major State Basic Research Development Program （Grant No. 20

In a unified algebraic scheme,we investigate the relation between the E(5) symmetry and the interacting boson model beyond the mean-field level.The results indicate that the E(5) symmetry is actually in between the critical point of the U(5)-O(6) transiti