dxy

1
Calculation
Experiment
0.5
a
b
c
111
0.0
G
-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
G
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
X
G
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
X
G
In-plane momentum