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在SD对壳模型的理论框架下讨论了原子核形状相变模式。研究结果表明,该理论模型可以把相互作用玻色子模型中U(5)-SU(3)以及U(5)-SO(6)形状相变模式再现出来,相互作用玻色子模型中有关临界点对称性的特征也可以很好地描述。本文同时也发现原子核从振动到转动的形状相变可以通过改变相互作用强度来实现。
Under the theoretical framework of SD shell model, the nucleation and phase transition patterns are discussed. The results show that this theoretical model can reproduce the phase transition patterns of U (5) -SU (3) and U (5) -SO (6) in the interacting boson model, The characteristics of the critical point symmetry can also be well described. We also find that the phase transition from vibration to rotation can be achieved by changing the intensity of interaction.