fig.set_size_inches(3.54, 3.54)
plt.plot([1, 2, 3, 4])
plt.xlabel('Excitation-Energy')
plt.ylabel('Intensit\xc3\xa4t')
plt.savefig('graph.pdf', dpi=1000, bbox_inches='tight')
How to obtain the same font(-style, -size etc.) in matplotlib output as in latex output?