论文标题
从重力波数据中的中子星方程中的相变的推断中的退化性
Degeneracy in the inference of phase transitions in the neutron star equation of state from gravitational wave data
论文作者
论文摘要
二进制中子星灵的引力波（GW）检测对于约束状态密集物质方程（EOS）至关重要。我们证明了从潮汐变形性数据到EOS的映射中的新变性，这是针对具有强相变的模型发生的。我们发现存在一个新的EO家族，其相变为不同的密度，并预测中子星形半径差异高达约500m，但对于所有中子星质量产生了几乎相同的潮汐变形。可能需要下一代GW探测器和核理论的进步来解决这种堕落。
Gravitational wave (GW) detections of binary neutron star inspirals will be crucial for constraining the dense matter equation of state (EoS). We demonstrate a new degeneracy in the mapping from tidal deformability data to the EoS, which occurs for models with strong phase transitions. We find that there exists a new family of EoS with phase transitions that set in at different densities and that predict neutron star radii that differ by up to ~500m, but that produce nearly identical tidal deformabilities for all neutron star masses. Next generation GW detectors and advances in nuclear theory may be needed to resolve this degeneracy.
