matplotlib tick axis notation with superscript

Question

I would like to produce some plot over the frequencies. I want to have an x-axis with superscript notation like in here. In addition I need vertical lines with vertical ann

Answer 1

I'm just shooting in the dark, but looks like xlabel takes a variety of options:

http://matplotlib.org/api/pyplot_api.html#matplotlib.pyplot.xlabel

When I went to:

http://matplotlib.org/api/pyplot_api.html#matplotlib.pyplot.text

I noticed that there is a verticalalignment option. Maybe that's what you need?