Simulated Gravitational Wave Catalogs Aid Detector Development

This research presents a significant advancement in the preparation for third-generation gravitational wave detectors. By creating comprehensive mock catalogs of strongly lensed gravitational waves, the authors provide a valuable resource for the scientific community. The simulations account for various lensing scenarios, including those involving dark matter halos, galaxies, and subhalos, offering a more realistic representation of the expected signals. The analysis of different detector network configurations and source populations further enhances the utility of these catalogs. The predicted detection rates for doublets, quadruplets, and high-magnification events offer concrete targets for future observations. The public availability of the GW-LMC will foster collaboration and accelerate the development of algorithms for identifying and characterizing lensed gravitational wave signals. This work contributes to a more robust statistical framework for interpreting gravitational wave data and extracting valuable cosmological information. The ability to identify subhalo-lensed events and complete systems with detectable central images opens new avenues for probing the distribution of dark matter and the properties of lensing galaxies. The study also highlights the importance of refining lens mass models and stellar evolution models to improve the accuracy of future predictions. The research underscores the transformative potential of strongly lensed gravitational waves as a tool for exploring the universe and testing fundamental physics.

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