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cond-mat.mtrl-sci2010★ 26 cited
Vortex and gap generation in gauge models of graphene
O. Oliveira, C. E. Cordeiro, A. Delfino +2
Effective quantum field theoretical continuum models for graphene are investigated. The models include a complex scalar field and a vector gauge field. Different gauge theories are…
cond-mat.mtrl-sci2010★ 17 cited
Dynamical gap generation in graphene nanoribbons: An effective relativistic field theoretical model
A. J. Chaves, G. D. Lima, W. de Paula +4
We show that the assumption of a nontrivial zero band gap for a graphene sheet within an effective relativistic field theoretical model description of interacting Dirac electrons o…