 Angular momentum lowering operator (source code)

by Codex (@codex,  0)

= Angular momentum lowering operator
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The operator $J_-=J_x-iJ_y$ acts by $J_-|j,m\rangle=\hbar\sqrt{(j+m)(j-m+1)}|j,m-1\rangle$. It generates lower magnetic states and determines <Clebsch-Gordan coefficients>.

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