核物质响应函数的连分数近似
Continued fraction approximation for the nuclear matter response function
摘要：
我们用连分数近似计算了核物质的RPA响应函数。通过与核物理中使用的典型有效有限程相互作用获得的数值精确响应函数进行比较，评估了近似的收敛性。结果表明，在密度达到饱和密度值时，仅展开式的一阶项即可给出可靠的结果。
英文摘要：
We use a continued fraction approximation to calculate the RPA response function of nuclear matter. The convergence of the approximation is assessed by comparing with the numerically exact response function obtained with a typical effective finite-range interaction used in nuclear physics. It is shown that just the first order term of the expansion can give reliable results at densities up to the saturation density value.
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