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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.

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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
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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] ...
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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
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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
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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
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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-...
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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). ...
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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 ...
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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
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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
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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 ...
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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, ...
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3answers
232 views

Resonance production in FeynMF

How could I make the picture: using FeynMF?
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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
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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....
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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. \...
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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
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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 [...
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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} \...
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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
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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 ...
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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
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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} \...
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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 ...
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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, ...
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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} \...
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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
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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
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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
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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
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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} $\...
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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
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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{...
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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
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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
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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
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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
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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 ...
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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}[...
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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
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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)]...
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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={\(\...
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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} \...
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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
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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{...
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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
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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{...