The same group published another paper Monolayer honeycomb structures of group-IV elements and III-V binary compounds:First-principles calculations PRB 80, 155453 2009. It says:In our earlier paper(PRL 102, 236804, 2009) we fou ...
WARNING: Sub-Space-Matrix is not hermitian in DAV 4 5.466653149832755E-004 WARNING: Sub-Space-Matrix is not hermitian in DAV 5 6.390243522781398E-004 WARNING: Sub-Space-Matrix is not hermitian in DAV ...