Asymmetric transport of light in linearly arrayed metallic nano-particles W. Aroua, R. Horchani, F. AbdelMalek, S. Haxha and Ali A. Kamli Eur. Phys. J. Plus, 131 9 (2016) 317 Published online: 15 September 2016 DOI: 10.1140/epjp/i2016-16317-x