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I am new to overleaf and latex syntax, and I am having trouble using Dirac's notation. I know it is pretty straightforward: \usepackage{braket} and then \ket{\psi} but it simply does not work. Am I missing something? Like the \documentclass or something? I am currently using article.

Thanks!

Dr. Manuel Kuehner
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ralph
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1 Answers1

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I assume you forgot to use a math environment.

% Tested on overleaf
\documentclass{article}
% https://ctan.org/pkg/braket
\usepackage{braket}

\begin{document}


Inline $\ket{abc}$ math example.


\begin{equation}
\ket{abc}

\end{equation}


\end{document}

strong text

PS: Friendly advice, next time please provide a clearer question that includes/features a so-called MWE. You also might want to have a look at this post.

Dr. Manuel Kuehner
  • 22,451