set term png transparent

set output '/dev/null'
plot  'lsc_sb_ohm_beta5x0_corr.data' w l ti 'Boltzmann  w/out coupling'
replot 'lsc_sb_ohm_beta5x0_boltz_corr.data' w l ti 'Boltzmann w/ coupling'

set output "jcp_109_fig5.png"
replot
set output