Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2010-02-07
Phys. Rev. B 81, 092501 (2010)
Physics
Condensed Matter
Strongly Correlated Electrons
4 pages, 6 figures, accepted in Physical Review B
Scientific paper
10.1103/PhysRevB.81.092501
We have carried out first-principles calculations of the Compton scattering spectra to demonstrate that the filling of the hole Fermi surface in LaO$_{1-x}$F$_{x}$FeAs produces a distinct signature in the Fourier transformed Compton spectrum when the momentum transfer vector lies along the [100] direction. We thus show how the critical concentration $x_c$, where hole Fermi surface pieces are filled up and the superconductivity mediated by antiferromagnetic spin fluctuations is expected to be suppressed, can be obtained in a bulk-sensitive manner.
Bansil Arun
Barbiellini Bernardo
Kaprzyk Stanislaw
Lin Hsin
Markiewicz Robert S.
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