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在Ｈａｒｔｒｅｅ－Ｆｏｃｋ近似下，从扩展的Ｓｋｙｒｍｅ有效相互作用出发，给出了一种同位旋相关的核物质状态方程．分析了在不同相对中子过剩时的核物质状态方程．发现在核物质的饱和点处，许多物理量的同位旋相关性能够近似地与相对中子过剩满足抛物线规律．
Under the Hartree-Fock approximation, an isospin-dependent equation of state for nuclear matter is derived from the extended Skyrme effective interaction. The equation of state of the nuclear material at different relative neutron excess is analyzed. It is found that at the saturation point of nuclear matter, the isospin correlation of many physical quantities can approximate the parabolic law approximately with the relative neutron excess.