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- W2140657682 endingPage "67" @default.
- W2140657682 startingPage "56" @default.
- W2140657682 abstract "The edges of graphene and graphene like systems can host localized states with evanescent wave function with properties radically different from those of the Dirac electrons in bulk. This happens in a variety of situations, that are reviewed here. First, zigzag edges host a set of localized non-dispersive state at the Dirac energy. At half filling, it is expected that these states are prone to ferromagnetic instability, causing a very interesting type of edge ferromagnetism. Second, graphene under the influence of external perturbations can host a variety of topological insulating phases, including the conventional quantum Hall effect, the quantum anomalous Hall (QAH) and the quantum spin Hall phase, in all of which phases conduction can only take place through topologically protected edge states. Here we provide an unified vision of the properties of all these edge states, examined under the light of the same one orbital tight-binding model. We consider the combined action of interactions, spin–orbit coupling and magnetic field, which produces a wealth of different physical phenomena. We briefly address what has been actually observed experimentally." @default.
- W2140657682 created "2016-06-24" @default.
- W2140657682 creator A5026208796 @default.
- W2140657682 creator A5063463403 @default.
- W2140657682 creator A5073588692 @default.
- W2140657682 date "2015-12-01" @default.
- W2140657682 modified "2023-10-11" @default.
- W2140657682 title "Edge states in graphene-like systems" @default.
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