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arXiv 1004.1635nucl-thquant-ph
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Parquet图的求和作为原子核结构计算的从头算方法

Summation of Parquet diagrams as an ab initio method in nuclear structure calculations

Elise Bergli, M. Hjorth-Jensen

摘要:

在这项工作中,我们讨论了格林函数理论作为从头计算原子核结构计算的一个可能的框架内的Parquet类图的总和。理论和一些数值的细节进行了讨论,特别是采用的近似。我们将Parquet方法应用于一个简单的模型,并将我们的结果与精确解进行比较。主要结论是,即使在这里提出的近似水平,结果显示出良好的协议与其他可比的从头算方法。

英文摘要:

In this work we discuss the summation of the Parquet class of diagrams within Green's function theory as a possible framework for ab initio nuclear structure calculations. The theory is presented and some numerical details are discussed, in particular the approximations employed. We apply the Parquet method to a simple model, and compare our results with those from an exact solution. The main conclusion is that even at the level of approximation presented here, the results shows good agreement with other comparable ab initio approaches.

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