References:
Seungchul Kim, Jisoon Ihm, Hyoung Joon Choi, and Young-Woo Son, “Origin of Anomalous Electronic Structures of Epitaxial Graphene on Silicon Carbide”, Physical Review Letters 100, 176802 (2008)
Seungchul Kim, Jisoon Ihm, Hyoung Joon Choi, Young-Woo Son, “Minimal single-particle Hamiltonian for charge carriers in epitaxial graphene on 4H-SiC(0001): Broken-symmetry states at Dirac Points”, Solid State Communications 175-176, 83-89 (2013), arXiv:0912.1210v1
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set term postscript portrait color enhanced solid 18
set output 'ARPES.eps'
xmin=-0.4
xmax= 0.4
ymin=-1.6
ymax= 0.0
set pm3d map
set nocolorbox
set size 0.6,0.6
set nokey
set noxtics
set xr[xmin:xmax]
set xtics -0.4,0.2,0.4
set yr[ymin:ymax]
set ytics -1.5,0.5,0.0
#set arrow from xmin-0.001,ymin-0.003 to xmax+0.001,ymin-0.003 lt 7 lw 4 nohead
set format y "%.1f"
set ylabel 'E-E_F (eV)'
set palette defined (0 'white',1 'black')
splot 'EG0ARPES.dat' u ($1-0.4522):2:3