An equivalence between monolayer and bilayer honeycomb lattices
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- Montambaux, G. Eur. Phys. J. B (2012) 85: 375. doi:10.1140/epjb/e2012-30570-7
We present an 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.