关于密度相关的核物质可压缩性
On the Density Dependent Nuclear Matter Compressibility
摘要：
本文采用平均场近似下的量子强子动力学有效模型来描述中子星。我们考虑了一个可调的微分耦合模型，并通过分析它们可以采取的全范围值来研究参数对系统动力学的影响。我们建立了一组参数，定义了一个特定的模型，能够描述的现象学性质，如有效核子质量饱和以及全球静态性能的中子星（质量和半径）。如果用观测数据来确定中子星的最大质量，我们就能预测出核物质的压缩模量K = 257，2 MeV。
英文摘要：
In the present work we apply a quantum hadrodynamic effective model in the mean-field approximation to the description of neutron stars. We consider an adjustable derivative-coupling model and study the parameter influence on the dynamics of the system by analyzing the full range of values they can take. We establish a set of parameters which define a specific model that is able to describe phenomenological properties such as the effective nucleon mass at saturation as well as global static properties of neutron stars (mass and radius). If one uses observational data to fix the maximum mass for neutron stars by a specific model, we are able to predict the compression modulus of nuclear matter K = 257,2MeV.
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