Soliton Fractional Charges in Graphene Nanoribbon and Polyacetylene: Similarities and Differences
An introductory overview of current research developments regarding solitons and fractional boundary charges in graphene nanoribbons is presented.Graphene nanoribbons and polyacetylene have chiral symmetry and share numerous similar properties, e.g., the bulk-edge correspondence between the Zak phase and the existence of edge states, along with the