Re: GraphPlot and Feynman graphs
- To: mathgroup at smc.vnet.net
- Subject: [mg96035] Re: GraphPlot and Feynman graphs
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Mon, 2 Feb 2009 06:21:18 -0500 (EST)
- References: <gm3r6h$m9i$1@smc.vnet.net>
Hi, that is wonderful that you try to reinvent the wheel, look at http://www.feynarts.de/ Regards Jens sidious.lord at gmail.com wrote: > Hello, > > I experimented a bit with using Mathematica's GraphPlot to > draw Feynman graphs. In particular, I would like to be able > to modify VertexRenderingFunction in such a way as to > use the usual conventions for drawing Feynman graphs (see > > http://en.wikipedia.org/wiki/Feynman_diagram > > for some example of Feynman graphs). > > I wasn't able to get very far though, which was a bit disappointing. > There were several issues: > > * When two vertices are linked by more than one edge (as > it often happens in Feynman diagrams with loops) the only > way this is drawn is by splitting the two edges until they are > at at prescribed distance apart and then the edges run > parallel until they join at the other vertex. This is weird for > Feynman graphs. > > * I wasn't able to add patterns on the edges, for example > the wiggles for the gluon lines. > > Can someone offer help with these issues? Are there any > plans to offer the ability to draw Feynman graphs in future > versions of Mathematica or as an add-on package? > > I can tell you that having the possibility to draw Feynman > graphs within Mathematica (with the possibility of adding > mathematics around the vertices and edges) would make > lots of physicists very happy. > > Thank you. >