Correlated electronic structure of LaOFeAs

Details Correlated electronic structure of LaOFeAs Correlated electronic structure of LaOFeAs

2008-03-09

arxiv.org/abs/0803.1279v1

Phys. Rev. Lett. 100, 226402 (2008)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 5figures

Scientific paper

10.1103/PhysRevLett.100.226402

We compute the electronic structure, momentum resolved spectral function and optical conductivity of the new superconductor LaO$_{1-x}$F$_x$FeAs within the combination of the Density functional theory and the Dynamical Mean Field Theory. We find that the compound in the normal state is a strongly correlated metal and the parent compound is a bad metal at the verge of the metal insulator transition. We argue that the superconductivity is not phonon mediated.

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