Local Optical Conductivity of Bilayer Graphene with Kink Potential
Zhen-Bing Dai,
Zhiqiang Li,
Yan He
Abstract:We study the optical response of bilayer graphene with a kink potential composed of a domain wall separating two AB regions with opposite interlayer bias. The band structure and the local optical conductivity in real space are investigated in details based on a continuum model. We find that the one-dimensional chiral states localized at the domain wall contribute significantly to the local optical conductivity, which shows a clear distinction in different regions. The effects of domain wall states on optical c… Show more
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