Kuntsmann, Jens; Özdoğan, Cem; Quandt, Alexander; Fehske, Holger
(Amer Physical Soc, 2011-01-21)
We critically discuss the stability of edge states and edge magnetism in zigzag edge graphene nanoribbons (ZGNRs). We point out that magnetic edge states might not exist in real systems and show that there are at least ...