Questions tagged [braket]

about the braket package, composed of angle brackets and vertical bars, for formatting the Dirac notation to describe quantum states.

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2
votes
3answers
217 views

Bra Ket notation using only basic packages

I am setting questions onto my university's version of Moodle. This accepts LaTeX commands so I can write most maths into a question, however I can only use the preinstalled packages which does not ...
3
votes
1answer
149 views

Modify braket package to control the space between text and brackets

Significant EDIT: Stimulated by the comments of the users egreg and schtandard, I found a solution to my original problem. Now, the problem has slightly changed, but it is still about the control ...
2
votes
1answer
52 views

Prevent brakets from resizing

I am using the physics package for braket (Dirac) notation. However, some expressions (such as the braket on the right) automatically rescale in the presence of, say, an operator (such as f hat), ...
2
votes
3answers
473 views

Automatically Sized bra/ket in Quantum Physics

I got to know that \left and \right allow us to automatically adjust the sizes of brackets. I'm currently working on some documents of Quantum Physics with so-called Dirac notations of bra and ket, ...
1
vote
1answer
98 views

How to add large braket like in picture?

How can I make brackets like this in this picture: \documentclass[tikz,border=3.14mm]{standalone} \begin{equation} \label{eq:1} P(k)= (\sum_{min}^{max}\frac{{K \choose k}{N-K \choose n-k}} {{N \...
1
vote
1answer
326 views

displaybreaks and braket package

I'm trying to allow a long formula consisting of a large set definition to break among more lines. I want to define the set using the braket package that is very handy to typeset sets. Specifically I'...
1
vote
1answer
107 views

arrow pointing at braket

I am trying to put an arrow under the first part of a braket. The equation I use is the \braket{a}{b}. I have managed to put an arrow under the braket using a \coeff{}{} code suggested on a previous ...
2
votes
2answers
818 views

physics and braket packages with different \braket commands

I am using the \usepackage{physics} package and want to write something using bra-ket notation but with a double bar in the middle (physicist's notation in Quantum Chemistry). It can be written as \...
1
vote
2answers
91 views

How to modify appearance of some equations

I am trying to make several codes for physics, but I think in the first equation is too small compared another equation. I need your advice for another code. \begin{gather*} \bra{\psi_m}\times\...
2
votes
2answers
91 views

How does one typeset stacked lines inside Dirac bra-ket: see image

How does one typset this?: I am trying to use this code: \[ \left\langle \begin{array}{ccc} electron \thickspace at \thickspace x \\ photon \thickspace at \thickspace D_1 \end{array} \right\vert ...
1
vote
2answers
116 views

Modify braket package for different brackets forms

I really don't know how to properly modify codes. Still, my problem is that I would like to know how to modify the following code from the package braket (in the link the whole .sty file, which is ...
2
votes
2answers
1k views

Braket size problem

I have a braket term in an equation. The bra size is bigger than the ket size due to a primed item in the bra part. I know that \big function can make ket size bigger and it can match the height but i ...
7
votes
1answer
20k views

The Bra-Ket Notation in LaTeX

I want to write the following symbol in LaTeX: I'm using the following (minimal) code: \documentclass[12pt,twoside]{article} \usepackage{amsmath} \usepackage{amssymb} \usepackage{...
4
votes
1answer
2k views

Gap between ket and bra by using the braket-package

I'm using the braket-package for using the braket notation. It works fine, but I've got some problems by using the package for writing a tensor product. There is always a big gap between the ket and ...
54
votes
5answers
182k views

Braket notation in LaTeX

I am using the braket package to generate bra and ket vectors. However, I could not figure out how to do <0|0> using the package. Is there a command for this?
1
vote
2answers
359 views

Automatic brace sizes with braket and mathtools

The packages braket and mathtools provide two different command to typeset set with dynamically sized braces. For example with braket: \documentclass{standalone} \usepackage{braket} \begin{document} ...
6
votes
1answer
212 views

How to make tipa compatible with braket?

The following minimal working example generates an error if you remove the per cent sign. \documentclass{amsart} %\usepackage{tipa} \usepackage{braket} \begin{document} \[ \Set{x|y} \] \end{document} ...
13
votes
2answers
13k views

Why different bra ket notations?

Why are bra and ket defined in the official package braket.sty in two different ways (\bra, \Bra and \ket, \Ket)? I do not understand why there exists the command \bra with non-scalable delimiters. ...