Theoretical investigation of optical conductivity in Ba(Fe1−xCox)2As2

  title={Theoretical investigation of optical conductivity in Ba(Fe1−xCox)2As2},
  author={Antonio Sanna and Federico Bernardini and Gianni Profeta and Som Kumar Sharma and John Kay Dewhurst and Andrea Lucarelli and Leonardo Degiorgi and Eberhard K. U. Gross and Sandro Massidda},
We report on theoretical calculations of the optical conductivity of Ba [Fe(1-x)Co(x)]2 As2, as obtained from density functional theory within the full potential LAPW method. A thorough comparison with experiment shows that we are able to reproduce most of the observed experimental features, in particular a magnetic peak located at about 0.2 eV which we ascribe to antiferromagnetic ordered magnetic stripes. We also predict a large in-plane anisotropy of this feature, which agrees very well with… CONTINUE READING

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