Effect of short-range interactions on the quantum critical behavior of spinless fermions on the honeycomb lattice

We present a functional renormalization group investigation of an Euclidean three-dimensional matrix Yukawa model with U(N) symmetry, which describes N = 2 Weyl fermions that effectively interact via a short-range repulsive interaction. This system relates to an effective low-energy theory of spinle...

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Veröffentlicht in:	Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2012-12, Vol.86 (24), Article 245431
Hauptverfasser:	Mesterházy, D., Berges, J., von Smekal, L.
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter Fermions Graphene Honeycomb Honeycomb construction Lattices Mathematical models Three dimensional models
Online-Zugang:	Volltext
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