Proposal to determine the Fermi-surface topology of a doped iron-based superconductor using bulk-sensitive Fourier-transform Compton scattering - Condensed Matter > Strongly Correlated ElectronsReportar como inadecuado




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Abstract: We have carried out first-principles calculations of the Compton scatteringspectra to demonstrate that the filling of the hole Fermi surface inLaO$ {1-x}$F$ {x}$FeAs produces a distinct signature in the Fourier transformedCompton spectrum when the momentum transfer vector lies along the 100direction. We thus show how the critical concentration $x c$, where hole Fermisurface pieces are filled up and the superconductivity mediated byantiferromagnetic spin fluctuations is expected to be suppressed, can beobtained in a bulk-sensitive manner.



Autor: Yung Jui Wang, Hsin Lin, B. Barbiellini, P.E. Mijnarends, S. Kaprzyk, R.S. Markiewicz, A. Bansil

Fuente: https://arxiv.org/







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