Dear all, The attached picture shows the Fig. 4 of "PRB 86, 115419 (2012)", where the transmission pathway of graphene nanoribbon with different terminated have been shown. As the figure shows there are two types of current flow: the first flows from the right electrode to the left (in a zigzag path), the second is a hoping current in the opposite direction which flows from the left to the right electrode.
The origin and effect of the second current pathway is not clear for me, does it show the reflection of the main current? I really appreciate your help in advance. Best regards, Zara
