pdflatex with simple Feynman
Haines Brown
haines at histomat.net
Mon Dec 12 15:33:38 CET 2022
On Mon, Dec 12, 2022 at 02:02:51PM +0100, Herbert Voss wrote:
>
>
> Am 12.12.22 um 13:36 schrieb Haines Brown:
> > I have no trouble witn Feynman diagrams in a LuaLaTeX document, but
> > find it difficult to construct one in a LaTeX document. I construct a
> > c.tex file with the sample from the fmf manual:
> >
> > \documentclass[12pt]{article}
> > \usepackage[utf8]{inputenc}
>
> utf8 is for years the default ...
> > \usepackage[T1]{fontenc}
> > \usepackage{feynmp-auto}
> > \begin{document}
> should be
>
> \begin{fmffile}{test}
> > \begin{fmfgraph*}(40,30)
> > \fmfpen{thick}
> > \fmfleft{i1,i2}
> > \fmfright{o1,o2}
> > \fmf{fermion}{i1,v1,o1}
> > \fmf{fermion}{i2,v2,o2}
> > \fmf{photon,label=$q$}{v1,v2}
> > \fmfdot{v1,v2}
> > \end{fmfgraph*}
> > \end{fmfile}
> \end{fmffile}
>
> then it works for me with pdflatex
>
> Herbert
>
> > \end{document}
Herbert, thanks, but not much luck.
I now use a corrected Feynman tex file named feynman.tex:
\documentclass[12pt]{article}
\usepackage{inputenc}
\usepackage[T1]{fontenc}
\usepackage{feynmp-auto}
\begin{document}
\begin{fmffile}{test}
\begin{fmfgraph*}(40,30)
\fmfpen{thick}
\fmfleft{i1,i2}
\fmfright{o1,o2}
\fmf{fermion}{i1,v1,o1}
\fmf{fermion}{i2,v2,o2}
\fmf{photon,label=$q$}{v1,v2}
\fmfdot{v1,v2}
\end{fmfgraph*}
\end{fmffile}
\end{document}
When I run pdflatex on this file a "test.mp" file is generated. I saw
nothing problematic in it but wonder about "LaTeX_unitlength:=1.0pt;".
A PDF file is also generated
Output written on feynman.pdf (1 page, 3805 bytes).
3805 bytes I'm sure is too small. In any case the PDF file
lacks any Feynman diagram.
--
Haines Brown
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