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Showing 2009 · cond-mat.mtrl-sciShow all
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cond-mat.mtrl-sci2009★ 9 cited
Graphene zigzag ribbons, square lattice models and quantum spin chains
Mahdi Zarea, Nancy Sandler
We present an extended study of finite-width zigzag graphene ribbons (ZGRs) based on a tight-binding model with hard-wall boundary conditions. We provide an exact analytic solution…
cond-mat.mtrl-sci2009★ 5 cited
Quantum spin Hall phase in neutral zigzag graphene ribbons
Mahdi Zarea, Nancy Sandler
We present a detailed description of the nature of the wavefunction and spin distribution of the zero energy modes of zigzag graphene ribbons (ZGRs) in the presence of the intrinsi…