a b c d e f Calculation Experiment 111 Γ X

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Presentation transcript:

a b c d e f Calculation Experiment 111 Γ X 0.5 111 a b c 0.0 -0.3 -0.2 -0.1 0.0 0.1 Γ -0.5 X Calculated binding energy (eV) Experimental binding energy (eV) 0.5 122 d e f 0.0 -0.3 -0.2 -0.1 0.0 0.1 Γ -0.5 dxy dxz dyz X X Γ In-plane momentum

LiFeAs: band structure 0.5 LDA 0.0 Calculated energy (eV) -0.5 3 times renormalized; dxy band is 60 (bare 180) meV higher: no FS nesting; dxz/dyz bands are 40 (120) meV lower; dxz/dyz bands are flattened or “pinned” to the Fermi level. Experimental energy (eV) -0.3 -0.2 -0.1 0.0 0.1 ARPES Γ X In-plane momentum Borisenko PRL 2010 Yaresko 2010

BKFA: band structure LDA ARPES Calculated energy (eV) 0.5 LDA 0.0 Calculated energy (eV) -0.5 ARPES Experimental energy (eV) -0.3 -0.2 -0.1 0.0 0.1 Γ X In-plane momentum