实时演化方法及其在3 $α$集群系统中的应用
Real-time evolution method and its application to 3$α$ cluster system
摘要：
提出了一种新的理论方法来描述原子核的基态和激发团簇态。该方法利用高斯波包的运动方程来产生具有各种簇结构的基波函数。将生成的基波函数叠加，使哈密顿量对角化。换句话说，该方法使用实时作为发电机坐标。在$3α$系统上的应用结果表明，该方法具有较好的聚类效果，其结果与其它聚类模型一致或优于其它聚类模型。对激发态$0^+$和$1^-$的结构也作了简要的讨论。
英文摘要：
A new theoretical method is proposed to describe the ground and excited cluster states of atomic nuclei. The method utilizes the equation-of-motion of the Gaussian wave packets to generate the basis wave functions having various cluster configurations. The generated basis wave functions are superposed to diagonalize the Hamiltonian. In other words, this method uses the real time as the generator coordinate. The application to the $3α$ system as a benchmark shows that the new method works efficiently and yields the result consistent with or better than the other cluster models. Brief discussion on the structure of the excited $0^+$ and $1^-$ states is also made.
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