ar X iv : 0 80 6 . 00 94 v 1 [ co nd - m at . m es - h al l ] 3 1 M ay 2 00 8 Domain walls in gapped graphene
نویسنده
چکیده
The electronic properties of a particular class of domain walls in gapped graphene are investigated. We show that they can support mid-gap states which are localized in the vicinity of the domain wall and propagate along its length. With a finite density of domain walls, these states can alter the electronic properties of gapped graphene significantly. If the mid-gap band is partially filled,the domain wall can behave like a one-dimensional metal embedded in a semi-conductor, and could potentially be used as a single-channel quantum wire.
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