Gaussian quantum steering in multi-event horizon spacetime Shu-Min Wu, Jin-Xuan Li, Xiao-Wei Fan, Wen-Mei Li, Xiao-Li Huang and Hao-Sheng Zeng Eur. Phys. J. C, 84 2 (2024) 176 Published online: 21 February 2024 DOI: 10.1140/epjc/s10052-024-12538-7