Speaker
Description
The strong CP problem and dark matter candidates are two significant challenges for the Standard Model. QCD axions are regarded as the most natural solution to the strong CP problem, making the development of a UV-complete model and the precision testing of their theoretical framework critical. As potential dark matter candidates, axion-like particles (ALPs) have garnered significant attention in both particle physics and cosmology. In particular, axion dark matter with a mass below the eV scale, due to its long-wavelength nature, offers an effective solution to the small-scale structure problems in the universe. Furthermore, to account for the relic abundance of dark matter, the high particle number density of such axions exhibits the characteristics of a classical wave field. How to explore the theory and phenomenology of various axions and axion dark matter is very interesting.