Standard sirens and dark sector with Gaussian process

Abstract

The gravitational waves from compact binary systems are viewed as a standard siren to probe the evolution of the universe. This paper summarizes the potential and ability to use the gravitational waves to constrain the cosmological parameters and the dark sector interaction in the Gaussian process methodology. After briefly introducing the method to reconstruct the dark sector interaction by the Gaussian process, the concept of standard sirens and the analysis of reconstructing the dark sector interaction with LISA are outlined. Furthermore, we estimate the constraint ability of the gravitational waves on cosmological parameters with ET. The numerical methods we use are Gaussian process and the Markov-Chain Monte-Carlo. Finally, we also forecast the improvements of the abilities to constrain the cosmological parameters with ET and LISA combined with the \it Planck.

10 pages, 8 figures, prepared for the proceedings of the International Conference on Gravitation : Joint Conference of ICGAC-XIII and IK15

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• Gravitational-Wave Detector Networks: Standard Sirens on Cosmology and Modified Gravity Theory
• Prospects for measuring the Hubble constant and dark energy using gravitational-wave dark sirens with neutron star tidal deformation
• Impacts of gravitational-wave standard siren observations from Einstein Telescope and Cosmic Explorer on weighing neutrinos in interacting dark energy models
• A path to precision cosmology: synergy between four promising late-universe cosmological probes
• Prospects for probing the interaction between dark energy and dark matter using gravitational-wave dark sirens with neutron star tidal deformation
• Joint constraints on cosmological parameters using future multi-band gravitational wave standard siren observations
• Rapid identification of time-frequency domain gravitational wave signals from binary black holes using deep learning
• Prospects for searching for sterile neutrinos with gravitational wave and $\gamma$-ray burst joint observations
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