Questions tagged [feynmf]
{feynmf} is about the `feynmf` or `feynmp` packages for Feynman diagrams.
109
questions
1
vote
0answers
20 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 ...
2
votes
1answer
32 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 ...
0
votes
4answers
90 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 ...
1
vote
3answers
54 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 ...
1
vote
3answers
93 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://...
0
votes
2answers
74 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,...
0
votes
1answer
30 views
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}
\...
0
votes
0answers
45 views
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 ...
2
votes
2answers
59 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'...
0
votes
2answers
129 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...
3
votes
2answers
176 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{...
0
votes
1answer
83 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 ...
2
votes
2answers
685 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 ...
0
votes
0answers
23 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 ...
2
votes
1answer
32 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 ...
2
votes
1answer
27 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 ...
1
vote
1answer
77 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}
...
2
votes
2answers
353 views
2
votes
1answer
116 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}
\...
2
votes
1answer
486 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=...
1
vote
1answer
371 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, ...
0
votes
2answers
418 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://...
2
votes
2answers
188 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,...
1
vote
1answer
286 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 =...
1
vote
1answer
298 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{...
1
vote
2answers
935 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)
...
4
votes
1answer
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 =...
6
votes
2answers
410 views
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. ...
0
votes
1answer
663 views
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?
3
votes
1answer
1k views
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 ...
1
vote
2answers
761 views
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{...
3
votes
3answers
966 views
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 ...
2
votes
1answer
1k views
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{...
1
vote
1answer
296 views
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 ...
6
votes
2answers
825 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 ...
2
votes
0answers
580 views
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 ...
0
votes
1answer
99 views
LaTeXTools custom builder for feynmf/feynmp
I'm using LaTeXTools with ST2, and I need to draw some Feynman diagrams. feynmf/feynmp both require additional commands to compile. Does anyone know the correct syntax for a custom builder that will ...
1
vote
1answer
341 views
Feynman Diagram (feynmp-auto) : 4-Quark Operator
I modified a sample from this source :
http://osksn2.hep.sci.osaka-u.ac.jp/~taku/osx/fmfsamples.pdf
(Look for 5.3 Cross diagram) and my aim is to label every of the "four" fermion propagators with ...
1
vote
1answer
1k views
Feynmp graphs as standalone pdfs
The way I normally handle Feynman diagrams is just to include \usepackage{feynmf-auto} and to write the whole fmffile code int he main tex file.
However, I saw that some people manage to create a ...
4
votes
1answer
419 views
Why doesn't metapost know about the path in my feynmp code?
I'm trying to use FeynMP to draw a Feynman diagram exactly like this
but with a photon line inside the circle. This code works perfectly to create the diagram above:
\fmfleft{i} \fmfright{o} \...
2
votes
1answer
626 views
Vertical Bubble (Loop) Diagrams with FeynMF
I want to produce the following Feynman diagram with FeynMF;
the problems is how to render the loops (particle-hole bubble) in the vertical direction; furthermore, how to fill a vertical bubble with ...
3
votes
1answer
522 views
How to create a double line fermion style in feynmf?
I'm trying to define a new line style in feynmf which should represent gluons in colour flow notation. Each line should consist of two parallel fermion lines, each of which has an arrow. The arrows ...
0
votes
0answers
531 views
Feynmp/auto not working in Yosemite?
So I've used feynmp and feynmp-auto hundreds of times, but now it seems neither is working on Mac OS Yosemite. I have installed both and when run I get messages like:
I run this:
\documentclass{...
1
vote
1answer
196 views
Create a script with multiple commands to compile a file in OS X
Suppose I want to compile a file with some Feynman diagrams, using feynmf package. To do this, I need to run the following commands:
latex file_name.tex
mpost diagram_1.mp
mpost diagram_2.mp
...
...
1
vote
1answer
368 views
Aligning propagators on feynmp
I want to align the propagators that go from the circle to the vertices p_3 and p_4
Here is my MWE:
\documentclass[amsmath,amssymb,aps,12pt,eqsecnum]{revtex4}
\usepackage[a4paper]{geometry} ...
2
votes
1answer
540 views
How do I make a circle of fermions in feynmp? (a self-energy photon)
I'm trying to draw a photon turning into a circle formed by one fermions going one way and the other going the other way, but they both go up. Here is my MWE:
\documentclass[amsmath,amssymb,aps,12pt,...
1
vote
0answers
779 views
How to make colored labels in feynMF/feynMP [closed]
There are several ways of adding a label to the vertex, e.g. as in code below.
It is documented how to make the colored polygons or lines, as done for the V2, but I couldn't find anything about making ...
3
votes
1answer
636 views
How can i draw a u-channel scattering with a loop in feynmf?
I am currently doing some work on the renormalization of the scalar phi^4 theory and i need to draw a feynman diagram of a first order loop correction. I have tried to follow the example on the manual ...
2
votes
1answer
834 views
How to draw a gluon radiated from a gluon with feynmp
I want to reproduce the attached Feynman diagram with the feynmp package.
In particular the bottom left gluon line goes through the 3 vertices and from the middle vertex another gluon line starts off.
...
3
votes
1answer
1k views
Missing labels on Feynman Graph using feynmf
I'm trying to create a Feynman graph using the feynmf package. My minimal example is
\documentclass{article}
\usepackage{feynmf}
\begin{document}
\begin{fmffile}{diagram}
\begin{fmfgraph*}(40,...
