How does the collective model apply to exotic nuclei?
The collective model provides a valuable foundation for understanding exotic nuclei, those far from the valley of stability. These nuclei often exhibit extreme deformations and unusual energy level structures. Our framework allows us to systematically study the onset of collectivity as the number of nucleons changes and as nuclei become more neutron-rich or proton-rich. For instance, the presence and characteristics of rotational bands or vibrational states in these far-from-stability isotopes can be analyzed using the concepts of nuclear deformation and collective motion. This helps us predict and interpret their properties, revealing how nuclear forces lead to these fascinating collective behaviors.