论文标题
在超声恒星中的声音速度
On the Speed of Sound in Hyperonic Stars
论文作者
论文摘要
我们建立在Annala等人最近建立的密集性重质物质状态方程的显着，独立的约束基础上。 [1]。使用Quark-Meson耦合模型，一种基于对局部介子场的强子结构的自洽结构调整的核结构方法，我们表明，一旦允许在\ b {eta}均衡中以密集的物质出现超子，则状态方程与这些约束是一致的。结果，尽管不能排除大型中子星核中夸克物质的出现，但可用的约束也与Hyperos的存在兼容。
We build upon the remarkable, model independent constraints on the equation of state of dense baryonic matter established recently by Annala et al. [1]. Using the quark-meson coupling model, an approach to nuclear structure based upon the self-consistent adjustment of hadron structure to the local meson fields, we show that, once hyperons are allowed to appear in dense matter in \b{eta}-equilibrium, the equation of state is consistent with those constraints. As a result, while one cannot rule out the occurence of quark matter in the cores of massive neutron stars, the available constraints are also compatible with the presence of hyperons.
