reset # clear all styles, variables ...

set terminal svg size 600,400 fname 'Verdana, Helvetica, Arial, sans-serif
set term svg name "Silsbee"
set output 'silsbee.svg'

set samples 1001 # enough points to make it look nice

# set font sizes for labels, legend and title
set xtics  font ",18" 
set xlabel font ",18"
set ytics  font ",18"
set ylabel font ",18"

set grid # activate grid to indicate position of dips and peaks
set xrange[0:1] 
set yrange[0:1]

# set labels with unicode greek letters
set xlabel 'T / T_c'
set ylabel 'r_cH_c / I'

# set grid lines where it's important for the understanding
set xtics ('0' 0,\
     '0.2' 0.2,\
     '0.4' 0.4,\
     '0.6' 0.6,\
     '0.8' 0.8,\
     '1' 1)

set ytics('0' 0,\
	'1/2π' 1.0/(2*pi),\
    '0.5'  0.5,\
    '1'    1)

plot 1/(2*pi*(1-(x)**2)) lw 6 lc rgb 'red' notitle 

unset output # close file