标题： 密集物质中热效应的协变密度泛函理论贝叶斯推断 显示英文标题

标题： Bayesian inference of thermal effects in dense matter within the covariant density functional theory

摘要： 在原中子星或双中子星合并后的相位中达到的高温会导致密集核物质的状态方程（EOS）出现显著的热效应。 在这里，我们利用贝叶斯推理的后验分布，在协变密度泛函理论框架下研究这些效应，该后验分布涵盖了大量EOS模型。 考虑了不同的密度和温度。 我们发现，对于一些物理量，热效应与核子的狄拉克有效质量（$m^*$）及其作为密度函数的对数导数强烈相关。 这些结果可以在低温近似下得到解释，尽管它们在超出此极限的情况下仍然存在。 显示英文摘要

摘要： The high temperatures reached in a proto-neutron star or during the post-merger phase of a binary neutron star coalescence lead to non-negligible thermal effects on the equation of state (EOS) of dense nuclear matter. Here we study these effects within the covariant density functional theory employing the posteriors of a Bayesian inference, which encompasses a large sample of EOS models. Different densities and temperatures are considered. We find that for a number of quantities thermal effects are strongly correlated with the Dirac effective mass ($m^*$) of the nucleons and/or its logarithmic derivative as a function of density. These results can be explained within the low temperature approximation though they survive beyond this limit.