Questions tagged [feynman]
{feynman} is for questions relating to Feynman diagrams, which are pictorial visualizations of certain physical processes involving subatomic particles. Use the {tikz-feynman} tag if your question is related to the TikZ-Feynman package.
1
vote
0answers
18 views
Error with drawing a Feynman Diagramm using axodraw4j package
I am trying to draw a simple Feynman diagram but it does not get drawn correctly. When I compile it puts, the momentum labels without drawing the lines.
Here is my code:
\documentclass[12pt,twoside]{...
2
votes
1answer
47 views
How to draw a two-meson exchange feynman diagram in latex?
I wrote this in LaTeX with tikz-feynman, but it does not compile:
\begin{figure}
\centering
\feynmandiagram[horizontal=a to b]{
i1 [particle={\(\Lambda\)}] -- [fermion] a [crossed dot] -- [fermion] ...
0
votes
0answers
18 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
25 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
22 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 ...
3
votes
1answer
34 views
Feynman diagram: sides switched
In my t-channel Feynman diagram (with tikz-Feynman), the lower two particles of the t-channel are switched. It appears that for s-channel, the right hand side particles are switched too.
Code for t-...
12
votes
1answer
346 views
Inline Feynman diagrams, Feynman diagrams in equations, very small Feynman diagrams
I'd like to typeset equations like:
I have tried this with the tikz-feynman library, but the diagrams generated by it are just way too large, even with the small option (and also just look awkward). ...
0
votes
0answers
94 views
Very common question: Feynman Diagrams in LaTeX
I know about a lot of solutions how to draw Feynman diagrams in LaTeX. Unfortunately, noone of them is perfect. I know about TikZ-Feynman and it is the best variant (may be) but I do not understand ...
0
votes
1answer
51 views
Specific feynman diagram [closed]
I am very new to TeX and wanted to draw these diagram using Tikz-Feynman or some package.
2
votes
1answer
101 views
Proper circle by merging four fermionic propagators in a Feynman diagram
I want to make the loop in the following feynman diagram look like a proper circle
\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage{amsmath}
\usepackage[compat=1.1.0]{tikz-feynman}
%...
5
votes
1answer
213 views
Feynman diagram with spectator quarks (TikZ-Feynman)
I'm trying to draw the Feynman diagram for the following disintegration:
Showing all the quarks, including the two that don't participate, in the same way as this image:
So far I've managed to get ...
0
votes
1answer
108 views
How can I do this Feyman diagram with tikzfeyman in latex?
So I was wondering if anyone could provide input as how i can do this diagram in latex with tikzfeymann package. Thanks!
this is pretty much what I got
\feynmandiagram [large, layered layout, ...
2
votes
3answers
232 views
1
vote
0answers
239 views
Jaxodraw LaTex export is not generating any figure after compilation
I am using jaxodraw for drawing Feynman diagrams.
My problem is that once I run pdflatex in a file with the code exported by jaxodraw, I only got the labels and no diagram. I saw a similar problem ...
5
votes
1answer
259 views
Hartree diagram with tikz-feynman (just a circle as propagator)
I would like to draw the Hartree diagram like that:
(actually only the right hand side, but that doesn't matter)
My attempts end up like this:
\documentclass[tikz]{standalone}
\usepackage[compat=1....
0
votes
1answer
44 views
Trying to get the right arrow head on my Feyman diagram
So this is the code that genreates the image below. I am trying to get the pointed arrows on the fermions but I have no idea why is not working wit particle. Any help will be appreciated.
\...
0
votes
1answer
214 views
Trying to put Feyman Diagram side by side horizontally w/ “+” in between.
So i've been trying several threads in this forum on how to make my feynman diagrams look side by side. The problem is that no thing seems to work, this is how my two diagram look:
and this is my ...
2
votes
1answer
76 views
Need help with making a Feyman Diagrams with \feynmandiagram to make triple or more arrows very close to eachother
so I've been trying to make the following feyman diagrams:
My code looks like this for the first diagram attempt , so far this is what've got:
\begin{figure}[H]
\centering
\feynmandiagram [...
1
vote
3answers
241 views
Feynman Diagram Drawing
So I'm using Jaxodraw to make Feynman Diagrams. The code I exported from Jaxodraw is the following:
\documentclass[a4paper]{article}
\usepackage{axodraw4j}
\usepackage{pstricks}
\usepackage{color}
\...
1
vote
1answer
161 views
Tikz-Feynman: Putting multiple boson loops into each other
I was trying to draw a Feynman diagram of a quark propagator in rainbow ladder truncation when I encountered a problem.
I need to draw multiple gluon loops within each other. Drawing one gluon loop is ...
1
vote
1answer
282 views
TikZ-feynman: Changing the angle at a vertex
I want to draw a feynman diagram for the quark Dyson-Schwinger equation using the Tikz-Feynman package. I have the problem that I can't draw a fermion line that is straight even after a vertex. I have ...
1
vote
1answer
92 views
Tikz Feynman Delbruck Scattering
I'd like to make a Delbruck scattering diagram with Tikz-feynman but for some reason my code wont compile, its blowing up my CPU and eventually memory. Have I written something wrong, is there a ...
3
votes
1answer
445 views
TikZ-Feynman: Orientating diagram horizontally [duplicate]
I want to make a Feynman diagram using the Tikz-Feynman package, that is aligned horizontally. The command I use looks like:
\documentclass{book}
\usepackage{tikz-feynman}
\usepackage{tikz}
\...
1
vote
1answer
127 views
Tikz Feynman fit a line inside a loop
I am trying to write a two loop Feynman diagram in a particular format (using pdflatex!), basically with a line dividing in half a loop.
Unfortunately while the outcome in the image below is almost ...
0
votes
2answers
152 views
Positron - Photon feynman diagram
I made a simple Feynman diagram of the channel S=(k1 + k2)^2 in the Positron - Photon scattering as follows
\feynmandiagram[horizontal=a to b]{
i1 [particle=\(\gamma\)]
-- [photon, ...
3
votes
2answers
826 views
feynman diagram with two loops and bigger dots tikz feynman
I am trying to draw Feynman diagrams with two loops. I have managed to draw the following one:
\documentclass[DIV=14,headsepline]{scrartcl}
\usepackage[T1]{fontenc}
\usepackage[utf8]{luainputenc}
\...
1
vote
1answer
322 views
Double-Sided Feynman Diagrams
Is there a package for the easy creation of double-sided Feynman diagrams as typically used in nonlinear optics to understand the perturbation orders?
See figure 2 of this article for example.
Since ...
1
vote
1answer
628 views
Proper circle propagator loop using tikz-feynman package
Since I wasn't able to comment the answer to this question:
Propagator loop in Feynman diagram using tikz-feynman package
I need to ask separately.
I was looking for the same thing except that I ...
1
vote
1answer
231 views
Tikz Feynman error in irreducible diagrams
I am trying to create some feynman diagrams with tikz. My problem is, that I want to create some simple diagrams like vacuum diagrams in φ^4 theory, which are reducible though, so I don't know where ...
3
votes
1answer
330 views
METAPOST: Feynman diagram cropped with XeLaTeX
The following code gives correct results with PDFLaTex but if I run XeLaTeX (which I need to do for the full document), part of the gluon line is cut off.
\documentclass{article}
\usepackage{feynmp-...
3
votes
2answers
2k views
Loops & insertions in Tikz-Feynman
I'd like to produce these diagrams using Tikz-Feynman.
What I have so far is
\RequirePackage{luatex85}
\documentclass{standalone}
\usepackage[compat=1.1.0]{tikz-feynman}
\begin{document}
$\...
3
votes
1answer
82 views
Getting vertex coordinates from \feynmandiagram
It is handy to have the automated vertex placement at \feynmandiagram from the tikz-feynman package.
Is it possible to retrieve vertex coordinates from the \feynmandiagram block?
In the following ...
4
votes
1answer
198 views
tikz-feynman: asymmetry between particle and antiparticle lines
The following code:
\RequirePackage{luatex85}
\documentclass{article}
\thispagestyle{empty}
\usepackage{tikz}
\usepackage[compat=1.1.0]{tikz-feynman}
\begin{document}
\begin{tikzpicture}
\begin{...
2
votes
1answer
411 views
vertex arithmetic with tikz-feynman
In this MWE (minimal working example)
\RequirePackage{luatex85}
\documentclass{article}
\thispagestyle{empty}
\usepackage{tikz}
\usepackage[compat=1.1.0]{tikz-feynman}
\begin{document}
\begin{...
2
votes
1answer
202 views
Why doesn't my code draw the Feynman diagram?
\documentclass{report}
\usepackage[english,russian]{babel}
\usepackage[utf8]{inputenc}
\begin{document}
\usepackage{tikz}
\begin{tikzpicture}
\feynmandiagram [horizontal=a to b] {
i1 -- [fermion]...
2
votes
1answer
313 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=...
2
votes
1answer
1k views
Propagator loop in Feynman diagram using tikz-feynman package
Consider the following code written using the tikz-feynman package:
\RequirePackage{luatex85}
\documentclass{standalone}
\usepackage[compat=1.0.0]{tikz-feynman}
\begin{document}
\feynmandiagram [...
5
votes
1answer
403 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 ...
1
vote
1answer
209 views
Labelling figures in the tikz package
Consider the following piece of code, which uses the tikz-feynman package:
\usepackage{tikz-feynman, contour}
\tikzfeynmanset{compat=1.1.0}
\begin{document}
\begin{center}
\begin{tikzpicture}[...
0
votes
0answers
34 views
Labelling feynman diagrams in tikz-feynman package [duplicate]
Consider the following piece of code using the tikz-feynman package.
\begin{center}
\begin{tikzpicture}[baseline={(current bounding box.center)}]
\begin{feynman}
\diagram [vertical'=a ...
3
votes
1answer
698 views
Orientation of lines in feynman diagrams using tikz-package
Consider the following piece of code which uses the tikz-feynman package:
\feynmandiagram [baseline={(current bounding box.center)},medium, vertical=b to f] {
a [nudge=(-30:5mm)]
-- [...
3
votes
1answer
368 views
tikz-feynman package - making a diagram symmetrical
I have the following code which draws a Feynman diagram using the tikz-feynman package.
\feynmandiagram [baseline={(current bounding box.center)},medium, vertical=b to f] {
a [nudge=(-30:5mm)]...
4
votes
1answer
783 views
tikz-feynman; size of lines and alignment of text
Consider the following piece of code
\begin{equation*}
\feynmandiagram [medium, vertical=e to f] {
a -- [photon] b [particle={\(\nu\)}] -- [fermion, edge label=\(k_{2}\)] c [particle={\(\...
1
vote
1answer
802 views
tikz-feynman package - horizontal alignment of graphs
I would like to draw three of the following Feynman diagram side by side:
Here is the code to generate the above the Feynman diagram:
\begin{center}
\begin{tikzpicture}
\begin{feynman}
\...
0
votes
1answer
283 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://...
4
votes
1answer
945 views
Feynman diagrams in tikz-feynman: labelling of an edge
I am using the tikz-feynman package to draw feynman diagrams. Consider the following diagram
which I drew using the following piece of code:
\begin{center}
\begin{tikzpicture}
\begin{...
1
vote
0answers
78 views
Disfigured Feynman Diagrams! [duplicate]
I'm trying to draw some Feynman diagrams with LaTeX. So I'm using the TikZ-Feynman package. But my code below:
\documentclass[tikz]{standalone}
\usepackage{tikz-feynman}
\begin{document}
\...
4
votes
1answer
560 views
TikZ-Feynman: layers and alignment
I'm trying to draw a gg->ttZ Feynman diagram using the TikZ-Fenyman package, and so far here's what I have:
\documentclass[12pt]{article}
\usepackage{tikz}
\usepackage[compat=1.1.0]{tikz-feynman}
\...
4
votes
1answer
905 views
Feynman Diagrams: Ugly u-channel
I am drawing a Feynman diagram using TikZ-Feynman as follows:
\documentclass[border=1ex, tikz]{standalone}
\usepackage[compat=1.1.0]{tikz-feynman}
\begin{document}
\begin{tikzpicture}
\begin{...
3
votes
2answers
285 views
feynmp-auto line length and angle
I made this Feynman diagram of W' production showing the incoming and outgoing partons:
\begin{fmffile}{feynmanW_partons}
\begin{fmfgraph*}(150,100)
% External vertices on the left
\fmfleft{...
