paper

An equivalence between monolayer and bilayer honeycomb lattices

arXiv:1205.4459 · doi:10.1140/epjb/e2012-30570-7

Abstract

In this brief report, we show the equivalence between the tight-binding descriptions of the monolayer and bilayer honeycomb lattices. With appropriate value of the third nearest neighbors coupling, the Hamiltonian for a monolayer is equivalent to the low energy effective Hamiltonian for bilayer in the presence of trigonal warping. A simple physical argument is provided to explain this correspondance.

4 pages, 4 figures

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