Abstract

Low energy \(M1\) excitations are studied within the Time Dependent Hartree–Fock–Bogoliubov (TDHFB) approach. The solution of TDHFB equations by the Wigner Function Moments method predicts three types of scissors modes. In addition to the conventional scissors mode, two new modes arise due to spin degrees of freedom. The lowest one generates a remarkable \(M1\) strength below the conventional energy range. The results of calculations for \({}^{160,162,164}\)Dy isotopes are compared with experimental data. The puzzle of the \({}^{164}\)Dy scissors is explained.

中文翻译：

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三重核剪刀模式

摘要

低能量\（M1 \）激励是在时变哈特里克-福克-波哥利波夫（TDHFB）方法中研究的。Wigner函数矩法对TDHFB方程的求解可预测三种剪刀模式。除了传统的剪刀模式外，由于旋转自由度，出现了两个新模式。最低的产生低于常规能量范围的\（M1 \）强度。将\（{} ^ {160,162,164} \） Dy同位素的计算结果与实验数据进行比较。说明了\（{} ^ {164} \） Dy剪刀的困惑。