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astro-ph.HE2026
Polarization Birefringence and Waveform Systematics in GW231123
Tonghua Liu, Chenggang Shao, Kai Liao
GW231123 is a short, massive binary-black-hole event whose source properties show strong waveform dependence. We use this event to test gravitational-wave polarization birefringenc…
astro-ph.HE2026
Evidence for Intermediate-Mass Black Holes From Microlensing Signatures in CHIME/FRB catalog 2
Huan Zhou, Zhengxiang Li, Cheng-Gang Shao +4
Intermediate-mass black holes (IMBHs) are the missing link in the cosmic hierarchy of black holes, bridging the gap between stellar-mass black holes and supermassive ones. They als…
astro-ph.CO2026
Testing supermassive primordial black holes with lensing signals of binary black hole merges
Huan Zhou, Bin Liu, Zheng-Xiang Li +2
Next-generation ground-based gravitational wave (GW) detectors are expected to observe millions of binary black hole mergers, a fraction of which will be strongly lensed by interve…