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LONG-RANGE CORRELATIONS IN CLOSED-SHELL NUCLEI

机译:闭壳核的长程相关

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摘要

The effects of correlations on the bulk properties of nuclei are investigated in large model spaces including up to 21 single-particle orbits. The evaluation of the single-particle Green function is made feasible by means of the BAGEL approximation. The spectral function for single-nucleon pick-up and removal is investigated for the nuclei O-16 and Ca-40. Special attention is paid to the effects produced by correlations on the calculated ground-state properties of closed-shell nuclei. It is observed that correlations beyond the Brueckner-Hartree-Fock approximation tend to improve the results obtained using realistic nucleon-nucleon interactions. [References: 37]
机译:在包括多达21个单粒子轨道的大型模型空间中研究了相关性对原子核整体性质的影响。借助BAGEL逼近,可以对单粒子Green函数进行评估。研究了O-16和Ca-40核的单核子吸收和去除的光谱函数。应特别注意相关性对闭壳核的计算基态性质产生的影响。观察到,超出Brueckner-Hartree-Fock逼近的相关性趋于改善使用实际核子-核子相互作用获得的结果。 [参考:37]

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