标题： 倒置配对和四极矩-四极矩相互作用引起的激发 显示英文标题

标题： Inverted Pairing and Excitation Induced by Quadrupole-Quadrupole Interaction

摘要： 在本文中，对于单个$j$壳层，显示由四极-四极相互作用引起的本征激发可以看作是由于倒置的表面-δ相互作用，其具有最大自旋的多极-配对成分是主导项且是吸引的。 这使我们能够追溯最近引入的旋转最优配对描述的起源，并自然地得出单个$j$-壳层中各种带的旋转能量的解析表达式，这些带考虑了四极-四极相互作用。 显示英文摘要

摘要： In this paper, eit is shown for a single-$j$ shell that the intrinsic excitations induced by the quadrupole-quadrupole interaction can be viewed as that due to the inverted surface-delta interaction whose multipole-pairing component with the largest spin is the dominant term and is attractive. This allow us to trace the origin of the recently introduced optimum pair description of rotation and leads naturally to analytical expressions for the rotational energies for the various bands in a single $j$-shell with the quadrupole-quadrupole interaction.