<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">\documentclass{standalone}

\usepackage{blochsphere}

\begin{document}

\begin{blochsphere}[radius=1.5 cm,tilt=15,rotation=-20]
	\drawBallGrid[style={opacity=0.1}]{30}{30}

	\drawGreatCircle[style={dashed}]{-60}{0}{0}
	\drawGreatCircle[style={dashed}]{60}{0}{0}

	\drawRotationLeft[scale=1.3,style={red}]{-60}{0}{0}{15}
	\drawRotationRight[scale=1.3,style={red}]{60}{0}{0}{15}

	\node at (-0.8,1.9) {\textcolor{red}{\tiny $J_{12}(t)$}};
	\node at (1.1,1.8) {\textcolor{red}{\tiny $J_{23}(t)$}};

	\labelLatLon{up}{90}{0};
	\labelLatLon{down}{-90}{90};
	\node[above] at (up) {{\tiny $\left|1\right&gt;$ }};
	\node[below] at (down) {{\tiny $\left|0\right&gt;$}};

	\labelLatLon[labelmark=false]{d}{15}{90};
	\node at (d) {\color{gray}\fontsize{0.15cm}{1em}\selectfont $60^\circ$};

	\labelLatLon[labelmark=false]{d2}{5}{78};
	\node at (d2) {\color{gray}\fontsize{0.15cm}{1em}\selectfont $60^\circ$};
\end{blochsphere}
\end{document}
</pre></body></html>