Nature CommunicationsQuasi-periodic oscillations of GHz-band polarization in a black holeWei WangJiashi ChenPengfu TianLuis C. HoXiaohui SunPei WangBing ZhangZheng ZhengXiao ChenPing ZhangHaifan ZhuWen YangBotao Li2025-06-10Full textDOI https://doi.org/10.1038/s41467-025-59586-5