Implementation of a finite-amplitude method in a relativistic meson-exchange  model

Xuwei Sun; Dinghui Lu

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Implementation of a finite-amplitude method in a relativistic meson-exchange model

机译：在相对论的介子交换模型中实现有限幅度方法

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The finite-amplitude method is a feasible numerical approach to large scale random phase approximation calculations. It avoids the storage and calculation of residual interaction elements as well as the diagonalization of the RPA matrix, which will be prohibitive when the configuration space is huge. In this work we finished the implementation of a finite-amplitude method in a relativistic meson exchange mean field model with axial symmetry. The direct variation approach makes our FAM scheme capable of being extended to the multipole excitation case.

机译：有限幅度方法是大规模随机相位近似计算的可行数值方法。它避免了剩余交互元件的存储和计算以及RPA矩阵的对角化，当配置空间巨大时，这将是令人瞩目的。在这项工作中，我们在具有轴对称的相对论Meson交换平均场模型中完成了有限幅度方法。直接变化方法使我们的FAM方案能够扩展到多极激励案例。

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《Physical Review C》 |2017年第2017期|024614.1-024614.11|共11页
作者
Xuwei Sun; Dinghui Lu;
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Department of Physics Zhejiang University 310027 Hangzhou China;

Department of Physics Zhejiang University 310027 Hangzhou China;

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Implementation of a finite-amplitude method in a relativistic meson-exchange model

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