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本工作以原子核为例,通过观察和分析量子谱的统计性质,研究有限物理体系中量子混沌的一些问题。首先,给出球形原子核中量子谱显示的有序-混沌现象随激发能变化的实验数据:而后,描述了原子核有序混沌相变现象与原子核形变以及原于核转动的依赖关系。同时还讨论了量子体系中的对效应对有序混沌相变的影响。最后,用有序-混沌相变的概念解释和理解了核物理中的一些重要实验现象。
Taking atomic nucleus as an example, some problems of quantum chaos in a finite physics system are studied by observing and analyzing the statistical properties of quantum spectroscopy. First of all, the experimental data of the change of the order-chaos phenomenon in the spherical nucleus with the excitation energy are given. Then, the dependence of the orderly chaos of nuclear nucleation on the nuclear deformation and the original nuclear rotation is described. At the same time, the influence of the pairwise effect on ordered chaos phase transition in quantum system is also discussed. Finally, some important experimental phenomena in nuclear physics are explained and understood by the concept of order-chaos phase transition.