3 papers
astro-ph.CO2026
Mitigating point-source contamination in CMB polarization: a Generalized Point Spread Function fitting approach
Yi-Ming Wang, Wen-Zheng Chen, Yang Liu +2
Observations of Cosmic Microwave Background (CMB) B-mode polarization provide a way to probe primordial gravitational waves and test inflationary predictions. Extragalactic point s…
astro-ph.CO2026
From South to North: Leveraging Ground-Based LATs for Full-Sky CMB Delensing and Constraints on
Wen-Zheng Chen, Yang Liu, Yi-Ming Wang +1
Delensing--the process of mitigating the lensing-induced B-mode contamination in cosmic microwave background (CMB) observations--will be a pivotal challenge for next-generation CMB…
astro-ph.CO2025
Delensing for Precision Cosmology: Optimizing Future CMB B-mode Surveys to Constrain r
Wen-Zheng Chen, Yang Liu, Yi-Ming Wang +1
The detection of primordial B-modes, a key probe of cosmic inflation, is increasingly challenged by contamination from weak gravitational lensing B-modes induced by large-scale str…