Phase structure of the Born–Infeld–anti-de Sitter black holes probed by non-local observables Xiao-Xiong Zeng, Xian-Ming Liu and Li-Fang Li Eur. Phys. J. C, 76 11 (2016) 616 Published online: 09 November 2016 DOI: 10.1140/epjc/s10052-016-4463-4