Tunable electromagnetically induced transparency at terahertz frequencies in coupled graphene metamaterial*
Ding Guo-Wena), Liu Shao-Bina), Zhang Hai-Fenga),b), Kong Xiang-Kuna),c), Li Hai-Minga), Li Bing-Xianga), Liu Si-Yuana), Li Haib)
       
Transmission spectra of the metamaterial EIT for various values of (a) w 2, (b) g 2, (c) ε d, and (d) E F.