满足质量-半径约束的中子星从超核物质到退禁闭夸克物质的混合相变
Mixed phase transition from hypernuclear matter to deconfined quark matter fulfilling mass-radius constraints of neutron stars
摘要：
为了用描述混合相的插值方法代替Maxwell构造，本文重新讨论了最近用一阶相变到色超导夸克物质的超子之谜的解。要做到这一点，我们申请的第一次有限范围的多项式插值方法构建强子和夸克物质阶段之间的过渡的情况下，其特征在于在文献中的再加工问题。对于强子相的描述使用最低阶约束变分法，而对于夸克相的非局域Nambu-Jona-Lasinio模型与常数（模型nlNJLA）和密度依赖（模型nlNJLB）参数。应用替代插值方法的夸克物质模型的结果在一个混合状态方程，允许共存的核物质，超核物质和夸克物质的混合相之间的纯强子和夸克阶段，也可以实现在相应的混合星序列的结构。预测的混合星满足从最近的观测中获得的中子星的质量-半径关系的约束。
英文摘要：
A recent solution of the hyperon puzzle by a first order phase transition to color superconducting quark matter is revisited in order to replace the Maxwell construction by an interpolation method which describes a mixed phase. To do this, we apply for the first time the finite-range polynomial interpolation method for constructing a transition between hadronic and quark matter phases to the situation that is characterized in the literature as the reconfinement problem. For the description of the hadronic phase the lowest order constrained variational method is used while for the quark phase the nonlocal Nambu-Jona-Lasinio model with constant (model nlNJLA) and with density-dependent (model nlNJLB) parameters is employed. Applying the replacement interpolation method to both quark matter models results in a hybrid equation of state that allows a coexistence of nuclear matter, hypernuclear matter and quark matter in a mixed phase between the pure hadronic and quark phases which can also be realized in the structure of the corresponding hybrid star sequences. The predicted hybrid stars fulfill the constraints on the mass-radius relation for neutron stars obtained from recent observations.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
