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Correlated Electronic Structure of LaO1xFxFeAs

K. Haule, J. H. Shim, and G. Kotliar
Phys. Rev. Lett. 100, 226402 – Published 2 June 2008

Abstract

We compute the electronic structure, momentum resolved spectral function and optical conductivity of the new superconductor LaO1xFxFeAs within the combination of the density functional theory and 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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  • Received 9 March 2008

DOI:https://doi.org/10.1103/PhysRevLett.100.226402

©2008 American Physical Society

Authors & Affiliations

K. Haule, J. H. Shim, and G. Kotliar

  • Department of Physics, Rutgers University, Piscataway, New Jersey 08854, USA

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Issue

Vol. 100, Iss. 22 — 6 June 2008

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