Aharonov–Bohm effect for a fermion field in a planar black hole “spacetime” M. A. Anacleto, F. A. Brito, A. Mohammadi and E. Passos Eur. Phys. J. C, 77 4 (2017) 239 Published online: 12 April 2017 DOI: 10.1140/epjc/s10052-017-4801-1