BibTex format
@article{Longstaff:2019,
author = {Longstaff, B and Graefe, E-M},
journal = {Physical Review A: Atomic, Molecular and Optical Physics},
title = {Non-adiabatic transitions through exceptional points in the band structure of a PT-symmetric lattice},
url = {http://arxiv.org/abs/1906.03073v2},
year = {2019}
}