openqasm/source/qpics/d3.tex

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TeX

\documentclass{standalone}
\usepackage{tikz}
\usetikzlibrary{decorations.pathreplacing,decorations.pathmorphing}
\usetikzlibrary{fit,quotes}
\usepackage{yquant, braket}
\input{utils}
\begin{document}
\begin{tikzpicture}
\begin{yquant}
[name=ypos]
qubit[2] q;
cnot q[1] | q[0];
box {$R_Y(\pi/2)$} q[1];
cnot q[1] | q[0];
[name=rz] box {$R_Z(\pi/4)$} q[0];
\end{yquant}
\draw [line width=1pt, ->, dashed]
([yshift=1mm, xshift=-2mm] rz-0.north west)
to [bend right]
(ypos-0);
\end{tikzpicture}
\end{document}