# script to draw resonance peak

set terminal postscript eps color enhanced size 10cm,6cm font "Times-Roman,24pt" dashlength 2.0
set output "resonancepeak.eps"

set tics nomirror
set border 0

set xtics ("" -1, 0, "" 1)
set ytics  ("Q / {/Symbol \326}2" 1/sqrt(2),"Q"  1)

chi(d)=1/sqrt(1+d**2)

set yrange [0:1.2]
set xrange [-10:10]

set arrow 1 from -10,0 to 11,0 filled
set arrow 2 from -10,0 to -10,1.3 filled
set label 1 "{/Symbol D} = {/Symbol w - w_0}" at 6.5,-.1
set label 2 "{/Symbol |c|} / {/Symbol c}_0" at -14,1.25

set arrow 3 from -3,1/sqrt(2) to -1,1/sqrt(2) filled
set arrow 4 from 3,1/sqrt(2) to 1,1/sqrt(2) filled

set arrow 5 from -1,0 to -1,1/sqrt(2) lt 2 lc rgb 'black' nohead
set arrow 6 from 1,0 to 1,1/sqrt(2) lt 2 lc rgb 'black' nohead
set label 7 " {/Symbol Dw}" at 3,1/sqrt(2)

set arrow 7 from -10,1 to 0,1 lt 3 lc rgb 'black' nohead
set arrow 8 from -10,1/sqrt(2) to -1,1/sqrt(2) lt 3 lc rgb 'black' nohead


plot chi(x) lw 3 notitle