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.

Filter by
Sorted by
Tagged with
1
vote
1answer
41 views

Unable to horizontal align diagrams

I have these 3 Feynman diagrams. I want them in a single horizontal line but I'm unable to do so. \documentclass[11pt]{article} \usepackage[utf8]{inputenc} \usepackage{siunitx, threeparttable} \...
1
vote
1answer
41 views

Draw an horizontal line for a counterterm with TikZ-Feynmann

I'm trying to draw the counterterm of a propagator for a scalar theory. I want to represent it with a black square. However, when I use TikZ the line is not completely horizontal. It's a probably ...
-1
votes
3answers
60 views

How to draw the Feynman diagram for Dyson equation with tikz-feynman

I am trying to draw a Feynman diagram like this one. I looked up the manual but there was no mention of this thick or double propagator line in tikz-feynman.
0
votes
1answer
42 views

Formatting cascading decay Feynman diagram with TikZ-Feynman

I am trying to draw a relatively simple diagram with TikZ-Feynman but I can't quite get it to format correctly: Here is my code \feynmandiagram [layered layout, horizontal=a to b] { i1 [particle=\(...
4
votes
2answers
91 views

How to draw regular polygons in math mode

I have a series expansion where each term can be associated with a regular polygon. I would like to indicate this in a paper I am writing by including an equation which treats the diagrams like terms ...
0
votes
0answers
18 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}[...
0
votes
1answer
41 views

How to use the next code in a new feynman package?

I used the application here: https://feynman.aivazis.com/ I downloaded the file feynman.sty to the same directory as my TeX files are in, but it doesn't seem to be working. Here's the code: \...
2
votes
2answers
263 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 ...
1
vote
0answers
37 views

Feynman diagram: overlapping momenta and arrows

I have the following piece of code: \documentclass[11pt]{article} \usepackage{tikZ-feynman} \use[ackage{amsmath} \begin{document} \feynmandiagram [horizontal=d to f1] { % Draw the top and bottom ...
1
vote
0answers
69 views

Loops in tikz-feynman more circular

I want to draw the diagram I show below (with its MWE), but the loop doesn't look very "circular". Setting looseness=1.7 is the best I can get, but it still a bit oval-like. Is there a way to make it ...
3
votes
1answer
53 views

Error using TikzFeynman, fermion loop never close

This is my first time writing here (and also I'm not native speaker) so please be indulgent. I'm new to LateX so if you could also keep your answer as simple as possible, it would be very nice. So ...
0
votes
0answers
77 views

Unable to Draw Feynman Diagram in Beamer Presentation

I'm using the following code to draw. I compiled using LuaLaTeX and it didn't show any errors, but in the PDF generated no diagram is being shown. Can someone help me out? I have to compile via ...
1
vote
0answers
33 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
68 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
20 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
28 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
25 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
53 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
576 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
231 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 ...
1
vote
1answer
89 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
113 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
340 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
128 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
287 views

Resonance production in FeynMF

How could I make the picture: using FeynMF?
1
vote
0answers
374 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
437 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
48 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
378 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
85 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
388 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
240 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
392 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
113 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
612 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
162 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
223 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
1k 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
397 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
900 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
305 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 ...
4
votes
1answer
425 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
100 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
282 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
578 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
249 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
408 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
462 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 ...