Speaker
Chang Lee
Description
Motivated initially to solve the Strong CP problem, the axions are strong candidates of cold dark matter. If the axions are generated after cosmic Inflation, they are likely to have a mass around 100 µeV, beyond the reach of the conventional cavity-based experiments. The MADMAX collaboration aims to detect the post-inflationary QCD axion using a new detector concept; a dielectric haloscope. I will explain the principle of detection, report current measurement using a proof-of-principle setup, and describe the plan to scan the parameter space of 40-400 µeV.
