热核静态性质的一个简单模型

以扩展Skyrme力为基础,计入唯象的表面效应和Coulomb相互作用,推导了核系统的能量密度。对于有限温度情形,通过索末菲展开,得到了能量密度、自由能密度以及熵密度的解析公式。由此计算了热核物质和有限核的状态方程,每核子熵及每核子自由能。对计算结果作了比较和分析,预言了在同一框架下研究热核动力学演化的可能性。 关键词：

A SIMPLE APPROACH TO STATIC PROPERTIES OF HOT NUCLEI

The energy density of nuclear system is derived based on the Skyrme forces and semi-empirical surface correption and Coulomb contribution. For the case of finite temperature, the analytical energy density, entropy density and free energy density are acquired with help of Sommerfield expansion to the Fermi-Dirac integrals. The energy, entropy, free energy per nucleon and the equation of state for hot nuclear matter and hot finite nuclei are calculated, compared and analysed. The possibility of studying dynamical evolution of hot nuclei is predicted.