\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 $\left|1\right>$ }}; \node[below] at (down) {{\tiny $\left|0\right>$}}; \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}