Questions tagged [feynmp]
{feynmp} is about the `feynmf` or `feynmp` packages for Feynman diagrams.
44
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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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3
votes
1
answer
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Tikz picture (arc) cant be positioned
I am trying to put an arc done with Tikz (representing a current) with a Feynman Diagram (done with feynmp), but even if a try changing the coordinates of the Tikz picture it wont change.
My code is ...
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0
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How to draw a Feynman Diagram with current j (feynMP)
I know how to create this diagram, but I dont know how to add the currents (j1 and j2).
Here is my code, I got it from https://wiki.physik.uzh.ch/cms/latex:feynman
\documentclass[10pt,a4paper]{article}...
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1
vote
1
answer
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How to create Feyman Diagrams with feynmp?
I'm never used this package and I dont know how to use it to draw the diagramas.
Tried to draw some examples I found, but they dont even apear on my pdf file.
I saw on other forums that I had to run a ...
- 85
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0
answers
39
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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 ...
- 15
1
vote
1
answer
93
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Using feynmp in overleaf
I'm trying to create this diagram in overleaf:
I can create this on texstudio by using the package feynmp, the code is as follows:
\begin{fmffile}{diagram}
\begin{fmfgraph*}(100,50)
\fmfcmd{
...
- 15
2
votes
1
answer
66
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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 ...
- 147
0
votes
1
answer
145
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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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2
votes
2
answers
111
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How to change the arrow-head size in `feynmp`
Consider the following MWE
\documentclass[11pt]{article}
\usepackage{feynmp-auto}
\begin{document}
\begin{fmffile}{afilename}
\setlength{\unitlength}{0.1cm}
\begin{fmfgraph}(40,25)
\fmfleftn{i}{...
- 661
3
votes
1
answer
88
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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 ...
- 661
2
votes
1
answer
70
views
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,...
- 147
1
vote
2
answers
77
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:
...
- 131
0
votes
1
answer
39
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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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0
answers
49
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Cannot get Feynmp to work in LaTeXiT
In trying to use feynmp to draw Feynman diagrams in LaTeXiT, I followed the instructions at http://osksn2.hep.sci.osaka-u.ac.jp/~taku/osx/feynmp_latexit.html and found it runs with no errors but does ...
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votes
1
answer
35
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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{...
- 661
1
vote
0
answers
177
views
Tensor symbol as vertex in feynmp
Consider the following example
\documentclass{memoir}
\usepackage[margin=0.05cm]{geometry}
\usepackage[force]{feynmp-auto}
\usepackage{amsmath}
\begin{document}
\setlength{\unitlength}{.09cm}
\begin{...
- 661
1
vote
0
answers
50
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 ...
- 11
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votes
4
answers
401
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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 ...
- 131
1
vote
3
answers
147
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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 ...
- 131
1
vote
4
answers
267
views
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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1
answer
204
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How to draw vertex function Feynman diagram
I would like to draw the following Feynman diagram in LaTeX (Overleaf). I don't have any back ground with packages such as tikz-feynman or tikz etc...
Please help me to draw the following diagram.
- 231
2
votes
1
answer
143
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Feynman diagrams: curved arrow to use into feyn package
I wanted to draw the same figure of this question Hartree Fock Feynman diagrams using feyn package:
The curved arrow are specific of feynmp package for me complicated because I have not understood ...
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2
votes
2
answers
139
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'...
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votes
2
answers
225
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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...
- 231
1
vote
2
answers
143
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Shifted vpaths are cropped in feynmp
I am trying to draw a Feynman diagram by the feynmp package and LaTeXiT. But shifted vpaths are cropped in the generated image as shown in the attached. This example was working OK with my previous ...
- 183
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votes
2
answers
724
views
Creating Feynman Diagrams With Usepackage feynmf
Here is a MWE (minimal-working example):
\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage{feynmf}
\begin{document}
\begin{fmffile}{diagram}
\noindent Here is a simple Feynman diagram:
...
- 171
2
votes
1
answer
49
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Figures in opposite order than they're placed
I'm attempting to place two feynman diagrams using feynmp in the figure environment so they can have a caption and their numbering is the same as other figures. However doing so they come out in the ...
- 185
0
votes
1
answer
203
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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 ...
- 185
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votes
0
answers
70
views
Weird behaviour of feynmp when using with minipages
I am using the feynmp-auto with the subcaption package. I have a figure with four identical Feynman diagrams produced with
\begin{figure}[H] % Do not use only [h] in real documents.
\begin{minipage}[...
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0
answers
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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 ...
- 145
2
votes
1
answer
38
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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 ...
- 145
2
votes
1
answer
37
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 ...
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vote
1
answer
224
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Cut diagrams/sum over final states with feynmp
I am trying add a cut to the following handbag diagram
\begin{fmffile}{test}
\begin{fmfgraph*}(200,90)
\fmfleft{i2,i1}
\fmfright{o2,o1}
\fmf{dbl_plain_arrow,label=$P$}{i2,v4}
\fmf{plain}{v4,v5}
\fmf{...
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2
votes
1
answer
159
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}
\...
- 23
3
votes
1
answer
151
views
Gluon curly upside down
I am drawing some feynman diagrams and for stylistic purposes I would like to have the gluon curly upside-down (the way the gluon attaches to the vertex is somehow
ugly.
Looking in online drawers ...
- 57
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votes
1
answer
580
views
An equivalent to \fmffreeze in TikZ-Feynman?
I am attempting to draw the following diagram using TikZ-Feynman (CTAN)
But I am having difficulty keeping the fermion legs straight after attaching the photons. Using feynmp there is a workaround ...
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votes
2
answers
456
views
Self-energy diagram using feynmp
Please, could you help me to draw such a diagram?
The straightforward code I use is just this:
\begin{fmffile}{diagr_6th_ord}
\begin{fmfgraph}(200,125)
\fmfleft{i}
\fmfright{o}
\fmf{photon}{i,v1}
\...
- 37
1
vote
1
answer
363
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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{...
- 141
2
votes
2
answers
968
views
Balance length of lines in Feynman diagram (feynmp)
How can one make the Feynman diagram more symmetric? I want the 'photon/Z propagator' to be much shorter, and if possible, some more space in the right most part of my diagram, where the 'charginos' ...
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votes
0
answers
127
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How to redefine command in "feynmp.sty"
I'am trying to change command \fmfcurved in the feynmp.sty to look like \fmfstraight command I have do a little modifications from
\def\fmfcurved{\fmfcmd{curved_galleries;}}
To
\def\fmfcurved{\...
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2
votes
1
answer
187
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In a Feynman diagram, how can the length of some lines be extended for the purpose of clarity?
I have a Feynman diagram like the following:
The red lines on the right connecting the final states overlap with the black lines of the Feynman diagram. If the lowermost and uppermost black lines of ...
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1
vote
1
answer
370
views
On a Feynman diagram, how can lines (color strings) be drawn?
I have a Feynman diagram like this:
I want to add to it some lines joining the final states, in a way a bit like this (drawn using TikZ):
How could this be done (preferably using feynMP)? How could ...
- 1,638
4
votes
1
answer
2k
views
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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votes
1
answer
1k
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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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