Questions tagged [feynmf]

{feynmf} is about the `feynmf` or `feynmp` packages for Feynman diagrams.

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Blank output using feynmp package [duplicate]

Using all the code of feynmp package in my recent distribuition of MikTeX for W10 I have not see nothing. Why? \documentclass{article} \usepackage[utf8]{inputenc} \usepackage{feynmp} \begin{document} \...
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Using feynmf for Feynman Diagrams

I am using \usepackage{feynmf} to draw Feynman diagrams. However, I have an issue with the labeling of my vertices. For some charts, it puts the vertex label right in the lines. For example, see the ...
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Missing FeynMF labels in TeXworks 0.6.6

I wrote the following code to depict a sum of two diagrams. I usually used only overleaf but given the dimension of the document I am writing I needed to download and use TeXworks. However, the ...
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How can I draw a momentum arrow in feynmf?

My question is similar to the one from this post: How does one draw a momentum arrow along a line in feynmf?. However, I want to know if it is possible to draw a momentum arrow along a line using the ...
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Operator matrix element Feynman diagrams

I am trying to draw the following cutted diagram but I don't know how to do it. I am using feynmf for the Feynman diagrams for my thesis since tikz-feynman requires lualatex and it gives enormous ...
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Empty or not-compilable diagram using feynmf/feynmp package

Strangely today I wanted to create a graph with feynmf/feynmp package but taking for example the @egreg's answers here I not see nothing (I compile with TeXworks). Does this anomaly happen only to me?...
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Vertical alignment of feynmp-graphs in equations

I find myself often in the situation where I have to arrange graphs generated with feynmp in equations. This works usually fine, but I have to play around with the space, i.e. I need to add some at ...
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Kaon decay diagram alignment feynmf

I was trying to typset the following penguin diagram with Feynmf and I've got it pretty close with the following code \begin{fmffile}{Kaone} \begin{equation} \begin{fmfgraph*}(175,...
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External vertex label placement in feynmp

I want to draw a simple e+e- -> 2 gamma feynman diagram using feynmp and I want the external vertex labels to be very close to the edges of the lines because I'm low on space. I know that: ...
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Create bremsstrahlung feynman diagram with feyngraph

I'm using Latexit to create feynman diagrams and I'd like to create a bremsstrahlung diagram similar to this one but I don't know how to go about getting the nucleus to be vertically below one vertex,...
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Illustrating Forest Formula on Feynmp

I'm trying to illustrate the Forest Formula for proving renormalizability as a final project for a course I'm taking. I need to find a way to put a rectangle with a dotted line (I can make do with it ...
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Equation graph using feyn package

Starting from this question with the picture Is it possible with this MWE to create the connectivity graph into the math equation using feyn package? \documentclass[a4paper,12pt]{article} \...
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latexmk being slow to compile due to an incident with feynmf

I once tried to use the feynmf package in a .tex file. It didn't work, so I never tried it again. But since then, every .tex document I compile using latexmk takes about 10 times longer to finish. My ...
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How to add space at vertex in `feynmp`

Is there a way to reproduce the following Feynman-diagrams using the 'feynmp' package? The following code \documentclass{article} \usepackage{geometry} \usepackage[utf8]{inputenc} \usepackage{...
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How to define a custom decoration shape in FeynMF?

FeynMF comes with pre-defined decoration shapes (circle, square, triangle, etc.) used for vertices. However I need decoration shapes that are semicircles (oriented to look like a D and mirror image of ...
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Change angles, lengths and widths in feynmf

I'm trying to draw the following diagram in feynmf: I want to do it in feynmf because it's easy to do in LaTeXiT which means that it automatically comes out with a transparent background, and because ...
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Drawing feynman diagram with Feynmf

I'm trying to create the diagram below using the feynmf package, but I'm extremely inexpert and I don't know where to start to create the two protons that enter the blob. Im happy for the two blue ...
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Equal length to vertices in feynmf

I want to draw the following feynman diagram using feynmf: I'm happy for the solid blue line to be replaced by a dashed line, but I can't for the life of me work out how to get everything looking ...
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Use Feynmp to create feynman diagram in LaTeXiT

I want to create a Feynman diagram using LaTeXiT. I have followed the instructions here http://osksn2.hep.sci.osaka-u.ac.jp/~taku/osx/feynmp.html to install feynmp and the instructions here http://...
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Photon without arrows using feynmp-auto

I have this MWE created with feynmp-auto, \documentclass[a4paper,12pt]{article} \usepackage{mathtools,amssymb} \usepackage{feynmp-auto} \begin{document} \begin{fmffile}{draw} \begin{fmfgraph*}(100,...
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why doesn't a dot appear in the second code for Feynman diagram produced by feynmf?

I tried this code : \begin{fmffile}{feyngraph} \begin{fmfgraph}(40,25) \fmfleft{a1} \fmfright{y1} \fmf{photon}{a1,j1,y1} \end{fmfgraph} \end{fmffile} ~ \begin{fmffile}{feyngraph} \...
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How to draw Feynman diagrams with vertex dotted as in the picture

I would like to draw Feynman diagrams using Feynmf. However, I cannot find a way to have a dot in the middle of wavy lines just like the picture below. Moreover, I cannot find a way to draw a circle ...
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Fixing arrows details on Feynman diagram

I'm trying to make a (simple?) Feynman diagram, but there are some details that are bugging me. In particular, the labels of the lines and the labels of the arrows are of different sizes, and the p'/k'...
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Photon selfenergy diagram in LaTeX

I am typing my project using LaTeX, I need to insert a photon self-energy diagram with symmetric moments in centre alignment This is what I need: Please help me...
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How to increase the size of a boson in tikz-feynman package?

I am using the tikz-feynman package to make some Feynman diagrams like this: \documentclass{article} % Beta decay \usepackage{tikz} \usepackage[compat=1.1.0]{tikz-feynman} \usepackage{feynmf} \begin{...
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Position label above vertex feynmp 4 fermion interaction

I am trying to produce a Feynman diagram that is simply 2 incoming fermions meet at a vertex v1, with 2 outgoing fermions. I wish to put a label on the vertex, above the vertex. However feynmp by ...
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Packages for drawing diagrams of Feynman: advantages and disadvantages

My question simply derives from this question: Bremsstrahlung process in \feynmandiagram environment I have seen into the site TeX.SE. there are many question on the packages to draw a Feymann ...
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Is there any way to delete previously defined vertices in feynmf?

I'm trying to create feynman diagrams programmatically, and frequently require the need to remove individual vertices that were previously created with the fmfn or fmfcyclen commands. This is so that ...
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Problem using variables with feynmp fmffor

This is a follow-up to this question. The solution provided by egreg worked, but the same solution doesn't work when trying to update a variable within an fmffor loop. A complete example is shown ...
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Problem using variables with feynmp

I've tried the def command or pgfmathsetmacro, and the feynman diagrams are drawn as though the variable is always set to "1" regardless. The only workaround I've found is to put my feynman diagram ...
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Feynmf - two loop correction to 4 point function

How can I draw the two loop correction to the four point function, with one of the loops on the right propagator? I tried \begin{fmffile}{loop} \begin{fmfgraph}(40,40) \fmfleft{i1,i2} ...
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Resonance production in FeynMF

How could I make the picture: using FeynMF?
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how do I put a dot in a \fmf line using feynmp?

I would like to add a dot to the top of the circle, but \fmfdot only works on vertices. Is there a way to do this? Here is the code that I am using: \documentclass{article} \usepackage{feynmp} \...
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feynmf: colour flow lines

I would like to add colour flow lines to Feynman diagrams as in this example: Is there a convenient way to have such a functionality? The code is the following: \documentclass[class=minimal,border=...
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Drawing a triangle vertex in a bubble diagram with feynmf package

I would like to draw some Feynman diagrams using the feynmf package which contain a complex (triangular) vertex. Here is my attempt, which apparently reproduces the diagram which I want to achieve, ...
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Anomalous Green's function

Is it possible to draw a line (or double line) with two out-out or into-into arrows in feynmf? Such (anomalous) diagrams appear, e.g. in perturbation theory of Bose condensates. Following http://...
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2 answers
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feynmf: keeping diagram width constant

The code \documentclass[class=minimal,border=20pt]{standalone} \usepackage[utf8]{inputenc} \usepackage{feynmf} \begin{document} \begin{fmffile}{diagram} \begin{fmfgraph*}(250, 250) \fmfleft{i1,i2,...
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Double wiggly line with arrow using feynmf

Please, could you help me to draw a double wiggly line with an arrow? I can drow a single woggly line with arrow using this code \begin{fmffile}{vertex} \fmfcmd{% style_def wiggly_arrow expr p =...
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1 vote
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How to use feynmf (feynmp)? [duplicate]

I would like to draw a tadpole diagram with a cross in a circle as the picture in the parenthesis but the double line is not necessary. I write the codes as below: \begin{fmffile}{tadpole} \begin{...
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Can't draw the loop by using feynmf-auto package

I've tried to draw the vacuum polarization diagram by using feynmf-auto package. Here is the code which I've used: \begin{fmffile}{45} \begin{fmfgraph}(200,200) ...
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1 answer
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Repositing labels in Feynman diagram

I have the following code in Feynmf: \documentclass{article} \usepackage{feynmp} \usepackage{ifpdf} \ifpdf \DeclareGraphicsRule{*}{mps}{*}{} \fi \usepackage{empheq} \begin{document} \unitlength =...
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6 votes
2 answers
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Issues with feynman diagram vertex

I'm unable to put more then one label on a vertex in a Feynman diagram. I've tried to use the command \fmfv twice or with more then one argument, but sadly I'm not getting the result I wished for. ...
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Installing feynmp / feynmf to TexMaker

What packages do I need to download and what I need to have in my preamble in order to use feynmp and feynmf in texmaker?
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How can a label be positioned in feynmp?

I have a Feynman diagram like this: Let's say I want the label for the W+ to be on the opposite side of its squiggly line or the label for the lowermost tbar to be on the opposite side of its ...
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How to denote the labels in loop-diagram using package feynmp?

To draw a loop diagram, such as the self-energy of photon, like the below example: I tried those codes \begin{fmffile}{loop} % Loop correction \begin{fmfgraph*}(80,65) \fmfkeep{loop} \fmfleft{...
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Positioning a vertex directly above another vertex in feynMF

I have been trying to replicate this Feynman diagram with feynMF. (Image from [1]). The first part, the double line, is rather easy, as it is already present in feynMF as the heavy style. For the ...
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2 votes
1 answer
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Adjusting the position of labels when drawing a diagram using feynmf

When drawing a Feynman diagram using feynmf, I'm having a hard time to place the labels in such a way that they do not overlap with each other and/or touch lines. Here is one attempt: \begin{...
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Labeling multiple incoming/outcoming groups of lines in feynmp?

I'm trying to label multiple groups of incoming and outgoing lines using feynmp. I already managed to put brackets around the lines, but they aren't properly aligned. Is there a way to place the ...
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6 votes
2 answers
952 views

SUSY particles Feynman diagrams

I am new to LaTeX, and have been trying to find a way to draw Feynman diagrams involving SUSY particles, i.e gauginos and superpartner scalars. I am wondering if there is any way to use the feynmf ...
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2 votes
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Labels in feynman diagrams using feynmf

I'm getting familiar with drawing feynman diagrams using feynmf package and I was trying to draw this process. However, labels do not display in the diagrams. Is there any error? Please, let me know ...
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