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Neutron stars from crust to core within the Quark-meson coupling model

机译:Quark-Meson耦合模型中从地壳到核心的中子星

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Recent years continue to be an exciting time for the neutron star physics, providing many new observations and insights to these natural ‘laboratories’ of cold dense matter. To describe them, there are many models on the market but still none that would reproduce all observed and experimental data. The quark-meson coupling model stands out with its natural inclusion of hyperons as dense matter building blocks, and fewer parameters necessary to obtain the nuclear matter equation of state. The latest advances of the QMC model and its application to the neutron star physics will be presented, within which we build the neutron star’s outer crust from finite nuclei up to the neutron drip line. The appearance of different elements and their position in the crust of a neutron star is explored and compared to the predictions of various models, giving the same quality of the results for the QMC model as for the models when the nucleon structure is not taken into account.
机译:近年来,对于中子星物理学来说仍然是令人兴奋的时刻,它为这些自然的冷致密物质“实验室”提供了许多新的观察和见识。为了描述它们,市场上有很多模型,但是仍然没有一个模型能够复制所有观察到的和实验的数据。夸克-介子耦合模型的突出之处在于,它自然包含了超子作为致密物质的构建基块,并且获得状态核物质方程所需的参数更少。将介绍QMC模型的最新进展及其在中子星物理学中的应用,在其中我们将构建从有限原子核到中子滴线的中子星外壳。探索了不同元素的出现及其在中子星地壳中的位置,并将其与各种模型的预测进行了比较,从而为QMC模型提供了与不考虑核子结构时相同的结果质量。

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