Chen Liang, Guo Zhi-Liang, Li Yong-Xing, Zhang Jian, Tang Tie-Qiao, Chen Yan-Yan. Research on pedestrian evacuation considering group behavior under zero-visibility conditionJ. Acta Physica Sinica, 2024, 73(21): 210502. DOI: 10.7498/aps.73.20241007