3 papers
astro-ph.CO2025
Smoking gun signature from axion and the constraints with radio telescopes
Zixuan Liu, Jiajun Zhang
Axions are an elegant solution to the strong CP problem for particle physics and a promising dark matter candidate. They can convert into photons under a strong magnetic field, whi…
astro-ph.IM2025
Design and Validation of the Digital Receiver System for the next-generation radio interferometer
Donghao Qu, Jiajun Zhang, Yajun Wu +3
This paper presents the design and validation of a digital receiver system developed for the next-generation radio interferometer projects. The receiver supports 8 analog inputs wi…
astro-ph.CO2023
Extending the unified subhalo model to warm dark matter
Feihong He, Jiaxin Han, Hongyu Gao +1
Using a set of high-resolution N-body simulations, we extend the unified distribution model of cold dark matter (CDM) subhaloes to the warm dark matter(WDM) case. The same model fr…