Space dependent Fermi velocity in strained graphene

Details Space dependent Fermi velocity in strained graphene Space dependent Fermi velocity in strained graphene

2012-01-12

arxiv.org/abs/1201.2656v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

We resolve some apparent discrepancies between two different models for curved graphene: the one based on tight binding and elasticity theory, and the covariant approach based on quantum field theory in curved space. We demonstrate that strained or corrugated samples will have a space dependent Fermi velocity in either approach that can affect the interpretation of some experiments.

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