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FeynMF Help

  1. May 11, 2006 #1
    Hi I'm getting used to the FeynMF package used to draw Feynman Diagrams in LaTeX, and the hard work of learning to use the package has paid off.

    However, there are a couple issues that I'm having with the package.

    1. Labels don't appear even when I use the \fmflabel command or the l=blah option in the \fmf{fermion, l=$q$}{i1,v1,o2} command inside the fmfgraph* environment. I know that to force the previewer to update a diagram, I must delete the .pk file associated with the diagram. But the labels don't show up, even though the rest of the diagram refreshes after the procedure.

    2. How do I get miniature arrows beside the external legs and propagators to indicate direction of momentum? The arrows in the diagrams indicate flow of charge, and I want to be able to make this distinction. Note that this was done in Peskin and Shroder's Introduction to Quantum Field Theory, so it's not impossible. :smile:

    Any suggetions would be appreciated.

  2. jcsd
  3. May 13, 2006 #2
    Also, I've noticed that if I include the feynmp package instead of the feynmf package, all diagrams vanish. Why is that happening?

    It's a little frustrating :mad: .
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