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Questions tagged [feynmf]

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

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Is there a way to create this feynman diagram with feynmf?

I'm trying to make a diagram like this one using feynmf package However I can't seem to make the vertical lines crossing the horizontal ones I have this code \begin{fmffile}{diagram-2} \begin{...
Dio's user avatar
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2 votes
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Vertex position in feynmf diagram

I was trying to draw the following diagram, but the square of fermions it's too small and I want to make it bigger, but I don't know how \documentclass[border=10pt,tikz,multi]{standalone} \usepackage{...
Davizon's user avatar
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Feynman diagrams - changing the vertical line

I'm trying to draw the Feynman diagrams of the Higgs decay modes: \begin{fmffile}{feyngraph4} \begin{fmfgraph*}(120,60) %\fmfstraight \fmfleft{i1,i3} \fmfright{o1,o2,o3} \fmf{gluon}{...
ryse's user avatar
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Feynman diagrams position in the text

I'm trying to draw two Feynman diagrams and the definition of the objects changes its form. \begin{figure}[htp!] \hspace{1.5cm} \subfloat[ \\ diagram 1.]{ \begin{fmffile}{feyngraph} \begin{...
ryse's user avatar
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6 votes
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441 views

Feynman diagrams inside equation environment

I need to type the expression below I am thinking of using tikzpicture inside the eqnarray environment. Although I am not quite sure which way would be the best to get this done. Can someone please ...
felix's user avatar
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7 votes
2 answers
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Feynman diagram by LaTex

I have plotted the following with paint: I need to replace it by LaTex. I searched through this website I found some information about drawing Feynman diagram with LateX, but none of them matches my ...
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feynmp for mixing vertex between two photons

I'm trying to draw a feynman diagram like the one in the picture in latexit, but currently it doesn't output anything at all. Can someone help? \documentclass[10pt]{article} \usepackage[usenames]{...
Beth Long's user avatar
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2 votes
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'foreground' command for coloring is not working in feynMF

I am trying to draw a Feynman diagram using the feynMF package where I wanted to put a specific color to a line and a blob. But even if I use the foreground command in \fmf and \fmfv environments, the ...
Saumyen Kundu's user avatar
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1 answer
88 views

Feynman Diagram Issues

First time posting questions on this specific forum. I am trying to draw a Feynman diagram for the process in which a fermion-antifermion pair annihilate at vertex v1 and a fermion-antifermion pair is ...
Christian's user avatar
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1 answer
316 views

How to draw a feynman triangle loop using feynMF package?

I am trying to produce this diagram: So far my code looks the following: \documentclass{article} \usepackage{caption} \usepackage{feynmp-auto} \unitlength=1mm \begin{document} \begin{figure}[h] ...
S Kasem's user avatar
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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} \...
Sebastiano's user avatar
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166 views

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 ...
Little Physicist's user avatar
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0 answers
52 views

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 ...
Alberto's user avatar
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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 ...
jmaguire's user avatar
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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 ...
Davide Morgante's user avatar
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266 views

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?...
Sebastiano's user avatar
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3 votes
1 answer
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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 ...
Sito's user avatar
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1 vote
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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,...
Davide Morgante's user avatar
1 vote
2 answers
180 views

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: ...
Beth Long's user avatar
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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,...
Beth Long's user avatar
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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 ...
Edbroad123's user avatar
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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} \...
Sebastiano's user avatar
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2 votes
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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 ...
Tim Chan's user avatar
2 votes
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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{...
Sito's user avatar
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108 views

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 ...
pion's user avatar
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2 votes
1 answer
368 views

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 ...
Beth Long's user avatar
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0 votes
4 answers
896 views

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 ...
Beth Long's user avatar
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1 vote
3 answers
255 views

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 ...
Beth Long's user avatar
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1 vote
4 answers
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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://...
Beth Long's user avatar
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2 answers
273 views

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,...
Sebastiano's user avatar
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1 answer
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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} \...
Keith's user avatar
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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 ...
Keith's user avatar
  • 123
2 votes
2 answers
257 views

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'...
Mauro Giliberti's user avatar
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2 answers
437 views

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...
ROBIN RAJ's user avatar
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3 votes
2 answers
814 views

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{...
Always Learning Forever's user avatar
0 votes
1 answer
490 views

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 ...
Jack's user avatar
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2 votes
2 answers
2k views

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 ...
Sebastiano's user avatar
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41 views

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 ...
user1247's user avatar
  • 145
2 votes
1 answer
46 views

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 ...
user1247's user avatar
  • 145
2 votes
1 answer
69 views

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 ...
user1247's user avatar
  • 145
1 vote
1 answer
139 views

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} ...
Jackson's user avatar
  • 197
2 votes
2 answers
554 views

Resonance production in FeynMF

How could I make the picture: using FeynMF?
Marcos's user avatar
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2 votes
1 answer
214 views

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} \...
ScienceGuy's user avatar
2 votes
1 answer
709 views

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=...
Viesturs's user avatar
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1 vote
1 answer
555 views

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, ...
Máté Vigh's user avatar
0 votes
3 answers
781 views

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://...
user2891657's user avatar
2 votes
2 answers
312 views

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,...
Viesturs's user avatar
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1 vote
1 answer
503 views

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 =...
user2891657's user avatar
1 vote
1 answer
477 views

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{...
Wein Eld's user avatar
  • 141
1 vote
2 answers
1k views

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) ...
PhysiXxx's user avatar
  • 179