Polarized images of synchrotron radiations in curved spacetimeZezhou Hu, Yehui Hou, Haopeng Yan, Minyong Guo and Bin ChenEur. Phys. J. C, 82 12 (2022) 1166DOI: https://doi.org/10.1140/epjc/s10052-022-11144-9