@ARTICLE {9397,
author={M. G. Silveirinha},
doi={10.1103/PhysRevA.90.013842},
journal={Physical Review A - Atomic, Molecular, and Optical Physics},
title={Spontaneous Parity-Time Symmetry Breaking in Moving Media},
year={2014},
month={July},
volume={90},
number={013842},
pages={1-12},
ISSN={1050-2947}
}