3 papers
astro-ph.HE2026
Electromagnetic responses driven by gravitational-wave memory in magnetar-flare outflows
Wen-Biao Han
An asymmetric relativistic outflow from a magnetar giant flare produces a step-like gravitational-wave (GW) memory. In the magnetized pair plasma surrounding the star, such GW memo…
gr-qc2026
Finite Coherence in Gravitational Waves from Tidally Excited Axion Clouds
Yizhi Liang, Mian Zhu, Wen-Biao Han +3
Axion clouds around rotating black holes form gravitational atoms whose tidal transitions can radiate gravitational waves in binaries. For strongly coupled Bohr crossings, transiti…
gr-qc2025
Distinguishing compact objects in extreme-mass-ratio inspirals by gravitational waves
Lu-Jia Xu, Shu-Cheng Yang, Wen-Biao Han +3
Extreme-mass-ratio inspirals (EMRIs) are promising gravitational-wave (GW) sources for space-based GW detectors. EMRI signals typically have long durations, ranging from several mo…