Affiliation:
1. Canadian Institute for Advanced Research
2. Kavli Institute for Theoretical Physics
Abstract
We present a simple derivation of a continuum Hamiltonian for bilayer
graphene with an arbitrary smooth lattice deformation – technically in a
fashion parametrized by displacement fields with small gradients. We
show that this subsumes the continuum model of Bistritzer and Macdonald
for twisted bilayer graphene as well as many generalizations and
extensions of it. The derivation is carried out entirely in real
space.
Funder
United States Department of Energy
Subject
General Physics and Astronomy
Cited by
39 articles.
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