SO(3) symmetry between Néel and ferromagnetic order parameters for graphene in a magnetic field

Physical Review B - Condensed Matter and Materials Physics

Volumn 76, Issue 8, 2007, Pages

  Herbut, Igor F ^a  

^a SIMON FRASER UNIVERSITY   (Canada)

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[No Author keywords available]

Indexed keywords

EID: 34548288589     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.76.085432     Document Type: Article

References (22)

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21. More precisely, the minimum of EHLL alone for a fixed Δ is at m3 ∼ Δ gz ga (a l)2 N.
22. Note that when N =0 the activation gap at zero filling is 2 (λ+ m3), and thus, as demanded by its observed magnitude, significantly enhanced by the interactions.