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d xy d xz d yz

Γ. X. Γ. X. Calculation. Experiment. 0.5. a. b. c. 111. 0.0. Γ. -0.3 -0.2 -0.1 0.0 0.1. -0.5. X. Experimental binding energy (eV). Calculated binding energy (eV). 0.5. d. e. f. 122. 0.0. -0.3 -0.2 -0.1 0.0 0.1. Γ. d xy d xz d yz. -0.5. X.

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d xy d xz d yz

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

  2. 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

  3. BKFA: band structure 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

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