Interaction-enhanced coherence between two-dimensional Dirac layers

We estimate the strength of interaction-enhanced coherence between two graphene or topological insulator surface-state layers by solving imaginary-axis gap equations in the random phase approximation. Using a self-consistent treatment of dynamic screening of Coulomb interactions in the gapped phase,...

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Veröffentlicht in:	Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2012-05, Vol.85 (19), Article 195136
Hauptverfasser:	Sodemann, Inti, Pesin, D. A., MacDonald, A. H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Coherence Condensed matter Fermi surfaces Graphene Interlayers Mathematical analysis Mathematical models Separation
Online-Zugang:	Volltext
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