params = {'backend': 'ps',
          'axes.labelsize': 24, # fontsize for x and y labels (was 10)
          'axes.titlesize': 24,
          'text.fontsize': 24, # was 10
          'legend.fontsize': 24, # was 10
          'xtick.labelsize': 24,
          'ytick.labelsize': 24,
          'text.usetex': True,
          'figure.figsize': [fig_width,fig_height],
          'font.family': 'serif',
          'font.serif': 'Computer Modern Roman'
}
rcParams.update(params)