Detection of gravitational waves (GWs) produced by coalescence of compact binaries provides a novel way to measure the luminosity distance of GW events. Combining their redshift, they can act as standard sirens to constrain cosmological parameters. For various GW detector networks in second-generation (2G), 2.5G, and 3G, we comprehensively analyze the method to constrain the equation-of-state (EOS) of binary neutron stars (BNSs) and extract their redshifts through the imprints of tidal effects in GW waveforms. We find for these events that the observations of electromagnetic counterparts in the low-redshift range z < 0.1 are important for constraining the tidal effects. Considering 17 different EOSs of NSs or quark stars, we find GW observations have strong capability to determine the EOS. Applying the events as standard sirens, and considering the constraints of NS’s EOS derived from low-redshift observations as prior, we can constrain the dark energy EOS parameters <...

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引力波潮汐影响的综合分析及其宇宙学意义

紧凑二进制的合并产生的重力波（GWs）的检测提供了一种测量GW事件光度距离的新颖方法。结合它们的红移，它们可以充当标准警笛来约束宇宙学参数。对于第二代（2G），2.5G和3G中的各种GW探测器网络，我们全面分析了约束二元中子星（BNS）的状态方程（EOS）的方法，并通过以下方法的印迹提取了它们的红移： GW波形中的潮汐影响。对于这些事件，我们发现在低红移范围z <0.1中的电磁对应物的观测对于限制潮汐影响很重要。考虑到NS或夸克星的17种不同的EOS，我们发现GW观测具有确定EOS的强大能力。将事件用作标准警报器，