格林函数方法中包括粒子-声子耦合和单粒子连续介质的自洽计算
Self-consistent calculations within the Green's function method including particle-phonon coupling and the single-particle continuum
摘要：
将\emph{Quasiparticle Time Blocking Approximation}中的格林函数方法应用于$^{132}$ Sn和$^{208}$ Pb的核激发。使用Skyrme相互作用进行自洽计算。该方法结合了传统的RPA与一个精确的单粒子连续处理，并认为在一个一致的方式的粒子-声子耦合。我们再现不仅低，高的集体状态的实验值，但我们也得到公平的协议与非集体的低的状态，强烈影响的粒子-声子耦合的数据。
英文摘要：
The Green's function method in the \emph{Quasiparticle Time Blocking Approximation} is applied to nuclear excitations in $^{132}$Sn and $^{208}$Pb. The calculations are performed self-consistently using a Skyrme interaction. The method combines the conventional RPA with an exact single-particle continuum treatment and considers in a consistent way the particle-phonon coupling. We reproduce not only the experimental values of low- and high-lying collective states but we also obtain fair agreement with the data of non-collective low-lying states that are strongly influenced by the particle-phonon coupling.
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