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中文摘要：
原子核中结团的形成是原子核多体动力学的一个重要表现方面，同时它也是核物理中最有趣的现象之一，对原子核中结团运动和结团结构的研究一直以来就是核物理研究的重要课题。本文中，我们介绍了原子核结团研究的历史背景和一些重要的结团模型。同时，我们阐述了最近提出的一个结团物理中的新概念一非局域化结团。我们认为原子核中的结团是非局域化的，它们可以在整个原子核内做自由的非局域化运动，只是由于泡利阻塞效应而不能靠的太近，这是与传统的局域化结团概念截然不同的一种观点。非局域化结团的概念使我们加深了对原子核中结团关联的理解，同时也为探索更为复杂的原子核结团结构提供了一条新的途径。
英文摘要：
The formation of clusters in nuclei is a fundamental aspect of nuclear many-body dynamics and it is also one of the most interesting phenomenon in nuclear physics. In this paper, we review the nuclear cluster development and some important nuclear cluster models. And based on the investigation of the inversion doublet bands of 20Ne within a microscopic cluster model, we discuss a new concept, nonlocalized clustering, for understanding the cluster structures in nuclei. In the new picture (container picture), the clusters are nonlocalized and move around in the whole nuclear volume, only avoiding mutual overlap due to the Pauli blocking effect. The two-alpha correlation for the ground state of 12C in the container picture is also discussed. The proposed concept of nonlocalized clustering or container picture is completely different from the traditional understanding of the localized clustering and it opens a door for exploring more complex cluster structures in nuclei.
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