diff --git a/python/plots/plot_eps_vs_energy.py b/python/plots/plot_eps_vs_energy.py
index 4214b48..7665170 100644
--- a/python/plots/plot_eps_vs_energy.py
+++ b/python/plots/plot_eps_vs_energy.py
@@ -31,9 +31,11 @@ def plot_dielectric_function_vs_energy(dirname):
         qx = float(filestem.split('_')[-3])
         print(qx, qy, qz)
         list_q.append(np.sqrt(qx**2 + qy**2 + qz**2))
+    print(list_q)
         
     list_files = [x for _, x in sorted(zip(list_q, list_files))]
     cmap = plt.get_cmap('jet')
+    
     norm = mpl.colors.Normalize(vmin=min(list_q), vmax=max(list_q))
     
     fig, ax = plt.subplots()
diff --git a/python/plots/simple_plot_eps_vs_energy.py b/python/plots/simple_plot_eps_vs_energy.py
new file mode 100644
index 0000000..247b7be
--- /dev/null
+++ b/python/plots/simple_plot_eps_vs_energy.py
@@ -0,0 +1,41 @@
+import matplotlib as mpl
+import numpy as np
+import pandas as pd
+from pathlib import Path
+import matplotlib.pyplot as plt
+from argparse import ArgumentParser
+from matplotlib.lines import Line2D
+from scipy.interpolate import CubicSpline
+from pathlib import Path
+
+import sys, glob
+
+try:
+    import scienceplots
+    plt.style.use(['science', 'muted'])
+except Exception:
+    print('Could not load style sheet')
+    None
+    plt.style.use(['seaborn-paper'])
+
+mpl.rcParams['figure.figsize'] = [3.5, 2.8]
+
+
+def plot_dielectric_function_vs_energy(filename):
+    energy, eps_r, eps_i = np.loadtxt(filename, delimiter=",", skiprows=1, unpack=True)
+    fig, axs = plt.subplots()
+    axs.plot(energy, eps_r, label="$\eps_r", c="r")
+    axs.plot(energy, eps_i, label="$\eps_u", c='b')
+    
+    axs.set_ylabel("Relative dielectric function")
+    axs.set_xlabel("Energy (eV)")
+    fig.tight_layout(   )
+    
+    plt.show()
+    
+    
+if __name__ == "__main__":
+    file = sys.argv[1]
+    plot_dielectric_function_vs_energy(file)
+
+    
\ No newline at end of file