有效手征模型中致密核物质的费米液体参数
Fermi Liquid parameters for dense nuclear matter in Effective Chiral Model
摘要：
利用有效手征模型计算了描述致密核物质性质的相对论费米液体参数。给出了直接贡献和交换贡献的费米液体参数的解析表达式。我们提出了一个微扰计算与平均场（MF）结果的比较研究。此外，我们超越MF，以估计的FLP的介子的贡献。最后，我们利用这些参数估计了DNM通过$σ$，$ω$和$π$介子交换相互作用的不可压缩性，声速，对称能等体物理量.此外，我们还计算了核物质的能量密度和结合能曲线。后者的结果已被发现是一致的，最近在同一模型内报告的两个循环计算。
英文摘要：
We calculate relativistic Fermi liquid parameters (RFLPs) for the description of the properties of dense nuclear matter (DNM) using Effective Chiral Model. Analytical expressions of Fermi liquid parameters (FLPs) are presented both for the direct and exchange contributions. We present a comparative study of perturbative calculation with mean field (MF) results. Moreover we go beyond the MF so as to estimate the pionic contribution to the FLPs. Finally, we use these parameters to estimate some of the bulk quantities like incompressibility, sound velocity, symmetry energy etc. for DNM interacting via exchange of $σ$, $ω$ and $π$ meson. In addition, we also calculate the energy densities and the binding energy curve for the nuclear matter. Results for the latter have been found to be consistent with two loop calculations reported recently within the same model.
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