部分动力学对称性作为多体相互作用的选择准则
Partial dynamical symmetry as a selection criterion for many-body interactions
摘要：
我们建议使用的部分动力学对称性（PDS）作为选择标准的高阶条款的情况下，当一个规定的对称性是服从一些国家和强烈打破其他。这一过程在第一个用SU（3）PDS对多体相互作用进行系统分类的过程中得到了证明，它可以改善变形核的描述。作为例子，分析了156Gd核的三轴特征。
英文摘要：
We propose the use of partial dynamical symmetry (PDS) as a selection criterion for higher-order terms in situations when a prescribed symmetry is obeyed by some states and is strongly broken in others. The procedure is demonstrated in a first systematic classification of many-body interactions with SU(3) PDS that can improve the description of deformed nuclei. As an example, the triaxial features of the nucleus 156Gd are analyzed.
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