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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Tadpole Feynman Diagram with missing momentum arrow

I am trying to create a tadpole diagram that is a photon that is vertical with a scalar loop attached to the top that has some momentum $l$. Here is what I have so far: \documentclass[11pt,a4paper]{...
MathZilla's user avatar
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1 vote
1 answer
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Feynman Diagram issues with tikz-Feynman

I am trying to create the following (crudely drawn) Feynman diagram: but the code I currently have is running into issues. I am using tikz-feynman with version compat=1.1.0. Here is the code I ...
MathZilla's user avatar
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Feynman nested loop diagrams

I am trying to reproduce the following Feynman diagrams: and facing with some difficulties. It would be great to have some hints how to deal with these kinds of diagrams, i.e. with second and higher ...
Nikita Shcheblanov's user avatar
1 vote
0 answers
36 views

Unrecognized environment error in TeXstudio [closed]

I've created a document in Overleaf in which I code some Feynmann diagrams, using the feynmp package. I create them with the following structure: \begin{fmffile}{W1} \begin{fmfgraph*}(40,25) % Diagram ...
Luis Javier Secades's user avatar
3 votes
2 answers
129 views

Rotate a set of points in Tikz figure

I am trying to draw some Feynman diagrams using TikZ. An object I need to use several times is the one in the picture below. But depending on the case I'd like to present it in one of the two ways in ...
dorrel's user avatar
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4 votes
1 answer
221 views

Writing equation at right of image

I want to write an equivalent expression correspond to an image. A representative image should look like So far I tried \begin{wrapfigure}{l}{0.25\textwidth} \scalebox{0.4}{ \begin{tikzpicture} ...
Tanmoy Pati's user avatar
0 votes
0 answers
31 views

Disconnected loop Feynman diagrams

I'm trying to obtain the disconnected loop diagrams in the pictures in latex, it could be fine with any Feynman diagrams package. Could you give me some suggestions? [
user302952's user avatar
2 votes
1 answer
88 views

Feynman diagrams - changing the vertical line

I'm trying to draw the Feynman diagrams of the Higgs decay modes: \begin{fmffile}{feyngraph4} \begin{fmfgraph*}(120,60) %\fmfstraight \fmfleft{i1,i3} \fmfright{o1,o2,o3} \fmf{gluon}{...
ryse's user avatar
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2 votes
0 answers
80 views

Feynman diagrams position in the text

I'm trying to draw two Feynman diagrams and the definition of the objects changes its form. \begin{figure}[htp!] \hspace{1.5cm} \subfloat[ \\ diagram 1.]{ \begin{fmffile}{feyngraph} \begin{...
ryse's user avatar
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1 vote
1 answer
328 views

Feynman diagram using TikZ-Feynman package

I tried to use TikZ-Feynman package to plot Feynman diagram as shown in here. I used: \documentclass{article} \usepackage{tikz} \usepackage[compat=1.0.0]{tikz-feynman} \begin{document} \...
Bekaso's user avatar
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modifying my feynman digram: drawing square and lines coming out of it

I have the following code: \documentclass[border=3mm]{standalone} \usepackage{tikz-feynman} \usetikzlibrary{shapes.geometric} \usepackage{amsmath} \begin{tikzpicture} \begin{feynman} \node[shape=...
user avatar
7 votes
2 answers
1k views

Feynman diagram by LaTex

I have plotted the following with paint: I need to replace it by LaTex. I searched through this website I found some information about drawing Feynman diagram with LateX, but none of them matches my ...
user avatar
0 votes
0 answers
38 views

feynmp for mixing vertex between two photons

I'm trying to draw a feynman diagram like the one in the picture in latexit, but currently it doesn't output anything at all. Can someone help? \documentclass[10pt]{article} \usepackage[usenames]{...
Beth Long's user avatar
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5 votes
2 answers
217 views

Feynman diagrams: Package pgfkeys Error: I do not know the key '/tikz/empty dot' and I am going to ignore it. Perhaps you misspelled it

I am trying to draw a specific feynman diagram using tikz-feynman. It plots it almost correctly apart from the fact that I get this error Package pgfkeys Error: I do not know the key '/tikz/empty dot'...
Nikos Pap's user avatar
1 vote
0 answers
54 views

Ugly Feynman diagrams from Tikz PART2

The following code, \documentclass{article} % lualatex \usepackage{tikz-feynman} \begin{document} \begin{figure}[h!] \centering \begin{align} \feynmandiagram[inline=(b), horizontal=b to c, layered ...
Tr909T's user avatar
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2 votes
2 answers
181 views

Ugly Feynman diagrams from Tikz

The following code, \documentclass{article} % lualatex \usepackage{tikz-feynman} \begin{document} \begin{figure}[h!] \centering \begin{align} \feynmandiagram [inline=(b), horizontal=a to b, layered ...
Tr909T's user avatar
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1 vote
2 answers
88 views

Feynman diagram using tikz-feynman package has wrong size

I have a simple question comming the following code: \documentclass{article} % lualatex \usepackage{tikz-feynman} \begin{document} \begin{figure}[h!] \centering \feynmandiagram [inline=(b), ...
Tr909T's user avatar
  • 143
1 vote
1 answer
273 views

How to rotate/reflect lines of Feynman diagram - TikZ-Feynman

I'm trying to make the following Feynman diagrams via the TikZ-Feynman package, but I can't skew / rotate the lines as I would like. For example, for the first one, I can't keep all the input terms on ...
Frostman's user avatar
0 votes
1 answer
251 views

Two horizontal lines and the rest below them in Tikz Feynman

I am struggling with getting things aligned as I want them. I am trying to draw an effective vertex with two fermion lines horizontally aligned and many scalar fields with tadpoles connected to it. ...
rgba's user avatar
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4 votes
1 answer
329 views

TikZ-Feynman line with mixed styles

I'm trying to draw Feynman diagrams like the ones in this article with tikz-feynman: I don't know how to make these edges that switch from straight to wiggly. I suppose I could break them up as two ...
J_P's user avatar
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0 votes
1 answer
270 views

How to draw a feynman triangle loop using feynMF package?

I am trying to produce this diagram: So far my code looks the following: \documentclass{article} \usepackage{caption} \usepackage{feynmp-auto} \unitlength=1mm \begin{document} \begin{figure}[h] ...
S Kasem's user avatar
0 votes
1 answer
153 views

How to draw these diagrams?

I am writing my Masters thesis and I need to draw some diagrams that look like this: I have been drawing many Feynman diagrams already, but I am not completely sure if this can be drawn with the same ...
Alberto García's user avatar
0 votes
1 answer
357 views

Positioning of math in Tikz-Feynman

I'm trying to write an equation with a Feynman diagrams inside. My code is: \begin{equation*} i\mathcal M_t= \feynmandiagram[inline=(d),vertical= b to d]{ a[particle={$p_1$}] -- [fermion] b ...
john's user avatar
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1 vote
1 answer
145 views

Using feynmf for Feynman Diagrams

I am using \usepackage{feynmf} to draw Feynman diagrams. However, I have an issue with the labeling of my vertices. For some charts, it puts the vertex label right in the lines. For example, see the ...
Little Physicist's user avatar
17 votes
2 answers
970 views

Is there a way to find out the correct order to load packages?

I recently made some extension to an old document of mine, and it stopped compiling. Luckily I am aware of the package ordering issue, especially with the notorious hyperref package. However, I am not ...
laolux's user avatar
  • 595
1 vote
1 answer
185 views

Cannot fix wonky vertical Feynman diagrams created with tikz

I am struggling to get the diagrams I create with tikz to 'spread out' correctly. I thought it could be an issue with the environment of my main work or the text being either side of it etc so I tried ...
Ciara's user avatar
  • 11
0 votes
0 answers
50 views

Missing FeynMF labels in TeXworks 0.6.6

I wrote the following code to depict a sum of two diagrams. I usually used only overleaf but given the dimension of the document I am writing I needed to download and use TeXworks. However, the ...
Alberto's user avatar
1 vote
1 answer
232 views

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 ...
Gabriel Vian's user avatar
0 votes
0 answers
146 views

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 ...
jmaguire's user avatar
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3 votes
2 answers
665 views

How to create these Feynman diagrams with TikZ?

I looked through the examples of building Feynman diagrams with TikZ, however I am still struggling to build them. Could you please help me with it? I have attached the picture of desired diagrams ...
somerandomguest's user avatar
1 vote
1 answer
278 views

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{ ...
Edbroad123's user avatar
1 vote
1 answer
53 views

Please help with naming the label on Feynman diagram

I want to get this Feynman diagram: I have following code, however when I add \(g(b,\overline a)\) , I get many errors. Could you please tell me how should I get desired result? \begin{center} \...
somerandomguest's user avatar
0 votes
1 answer
389 views

How to draw Feynman diagrams without using LuaLatex in Overleaf? [duplicate]

I am new to drawing Feynman diagrams in Latex, however I found some sources and try to implement them. I managed to draw the diagrams using LuaLatex, however it makes changes to other things in the ...
somerandomguest's user avatar
0 votes
1 answer
105 views

what latex package should i use to get these diagrams?

im trying to use latex to draw out diagrams from lambda phi 4 theory and they look a bit like this: what packages do I use to achieve drawings like this? and how exactly do i do it? I'm really new to ...
abi's user avatar
  • 1
3 votes
1 answer
153 views

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 ...
Davide Morgante's user avatar
2 votes
1 answer
120 views

2-loop diagram with Feyn-TikZ

I am trying to generate a 2-loop diagram using Feyn-TikZ. Concretely, I am writing the following commands: \begin{tikzpicture} \begin{feynman} \vertex (i1) {\(s\)}; \vertex [above right=of i1] (a); \...
Jordi's user avatar
  • 51
3 votes
1 answer
159 views

Loop in disconnected diagram not showing with tikz-feynman

I am trying to make the following disconnected diagram using tikz-feynman My attempt: \documentclass{standalone} \usepackage[compat=1.1.0]{tikz-feynman} \begin{document} \begin{tikzpicture} ...
kklocker's user avatar
2 votes
1 answer
108 views

Adjacent circle propagator is bigger in tikz-feynman

I'm trying to reproduce the following Feynman diagram using tikz-feynman. This is the code that I have tried \begin{tikzpicture}[baseline=(current bounding box.center)] \begin{feynman} \vertex (x); \...
Isai Dávila Cuba's user avatar
2 votes
2 answers
436 views

tikzpicture, feynman, equation

How can I put the expression beginning from the center of this diagram? the expression is a bit higher, I want it at a lower and close-center position. \documentclass{article} \usepackage{tikz} \...
DannyLouis's user avatar
1 vote
0 answers
97 views

Reduce size of Feynman diagram

is it possible to reduce the size of this diagram? \begin{tikzpicture} \begin{feynman} \vertex(d1) {\(d\)}; \vertex[right=5cm of d1] (u1) {\(u\)}; \vertex[above right=0....
Sas's user avatar
  • 11
1 vote
2 answers
166 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: ...
Beth Long's user avatar
  • 297
0 votes
1 answer
310 views

Create bremsstrahlung feynman diagram with feyngraph

I'm using Latexit to create feynman diagrams and I'd like to create a bremsstrahlung diagram similar to this one but I don't know how to go about getting the nucleus to be vertically below one vertex,...
Beth Long's user avatar
  • 297
1 vote
0 answers
56 views

Controlling Margins When Using axodraw4j

Summary of my question I cannot set reasonable margins while using the axodrawj4 package. In particular, the text in my document overlaps with my page numbers. Full Question I am using LaTex on Ubuntu ...
Hyperbolic's user avatar
-1 votes
2 answers
213 views

How to draw Bethe-Salpeter equation using tikz-Feynman?

I'm a beginner of tikz-feynman. I'd like to ask how to draw the Bethe-Salpeter equation using the package Tikz-Feynman as shown in the following? The standard tutorial from the official website doesn'...
jwyan1126's user avatar
0 votes
1 answer
266 views

How do I create bottom braces decorations with Tikz-Feynman? [duplicate]

I'm trying to create a brace on the bottom in Tikz Feynman, but no matter what I try, the brace remains on the bottom. This is what I have: And this is what I want: Sorry if the annotation was a bit ...
Akhilesh Balaji's user avatar
0 votes
1 answer
159 views

how to plot a red dot?

I wanna plot a feynman diagram as below. I plotted the diagram but don't know how to add the red dot. my latex code is below. Anyone can give me a favor? \documentclass{standalone} \usepackage[compat=...
Winston Pan's user avatar
0 votes
1 answer
197 views

How to draw this Feynman diagram?

I have the following Feynman diagram, which I obtained from an article. I want to draw a similar diagram, so I went through the tikz package but didn't understand how to draw this specific diagram. ...
Epsilon's user avatar
  • 516
2 votes
1 answer
340 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 ...
Beth Long's user avatar
  • 297
0 votes
4 answers
795 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 ...
Beth Long's user avatar
  • 297
1 vote
3 answers
244 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 ...
Beth Long's user avatar
  • 297