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astro-ph.CO2025
Study the nature of dynamical dark energy by measuring the CMB polarization rotation angle
Hua Zhai, Si-Yu Li, Yang Liu +6
Recent results from the Dark Energy Spectroscopic Instrument (DESI) support the dynamical dark energy. Intriguingly, the data favor a transition of the dark energy equation of stat…
astro-ph.CO2025
Foreground Removal in Ground-Based CMB Observations Using a Transformer Model
Ye-Peng Yan, Si-Yu Li, Yang Liu +2
We present a novel method for Cosmic Microwave Background (CMB) foreground removal based on deep learning techniques. This method employs a Transformer model, referred to as \textt…