On the multi‐orbital band structure and itinerant magnetism of iron‐based superconductors

@inproceedings{Andersen2011OnTM,
  title={On the multi‐orbital band structure and itinerant magnetism of iron‐based superconductors},
  author={Ole Krogh Andersen and Lilia Boeri},
  year={2011}
}
This paper explains the multi-orbital band structures and itinerant magnetism of the iron-pnictide and chalcogenides. We first describe the generic band structure of an isolated FeAs layer. Use of its Abelian glide-mirror group allows us to reduce the primitive cell to one FeAs unit. From density-functional theory, we generate the set of eight Fe $d$ and As $p$ localized Wannier functions for LaOFeAs and their tight-binding (TB) Hamiltonian, $h(k)$. We discuss the topology of the bands, i.e… CONTINUE READING
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