Conductivity between Luttinger liquids: coupled chains and bilayer graphene

Details Conductivity between Luttinger liquids: coupled chains and bilayer graphene Conductivity between Luttinger liquids: coupled chains and bilayer graphene

2010-12-28

arxiv.org/abs/1012.5736v2

Phys. Rev B 84, 035109 (2011)

Physics

Condensed Matter

Strongly Correlated Electrons

Title changed, new section on bilayer graphene added

Scientific paper

The conductivity properties between Luttinger liquids are analyzed by exact Renormalization Group methods. We prove that in a two chain system or in a model of bilayer graphene, described by two coupled fermionic honeycomb lattices interacting with a gauge field, the transverse optical conductivity at finite temperature is anomalous and decreasing together with the frequency as a power law with Luttinger liquid exponent.

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