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利用Hartree-Fock理论,基于扩展的Skyrme有效相互作用,在抛物线近似下,解析地给出了零温度时对称能的密度相关形式.同时讨论了对称能的温度相关性,发现对称能随着温度的升高而减小,在温度较低时,对称能强度系数与温度的关系能较好地符合抛物线规律.
Based on the Hartree-Fock theory, based on the extended Skyrme effective interaction, the density-dependent form of symmetry energy at zero temperature is analytically given under parabolic approximation. The temperature dependence of symmetry energy is also discussed. It is found that the symmetry energy decreases with increasing temperature. At lower temperature, the relationship between the symmetry energy intensity coefficient and temperature can well accord with the parabolic law.