3 papers
hep-ph2026
The Axion Helical Misalignment Mechanism
Wei Chao, Chang-Jie Dai
Understanding axion production in the early Universe remains a pivotal challenge, given the axion as a compelling cold dark matter candidate. Conventional misalignment scenarios of…
hep-ph2023
Oscillations of Ultralight Dark Photon into Gravitational Waves
Wei Chao, Jing-jing Feng, Huai-ke Guo +1
The discovery of gravitational waves (GWs) opens a new window for exploring the physics of the early universe. Identifying the source of GWs and their spectra today turn out to be…
hep-ph2023
Direct detections of the Axion-like particle Revisited
Wei Chao, Jing-Jing Feng, Ming-Jie Jin
Axion-like particles (ALPs) are promising dark matter candidates. Their signals in direct detection experiments arise from the well-known inverse Primakoff effect or the inverse Co…