Design of a novel negative refractive index material based on numerical simulationMuhammad Rizwan, Yan-Kun Dou, Hai-Bo Jin, Zhi-Ling Hou, Ling-Bao Kong, Jing-Bo Li, Faheem K. Butt and Fida RehmanEur. Phys. J. Appl. Phys., 63 1 (2013) 10502DOI: https://doi.org/10.1051/epjap/2013130023
