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Angular momentum operator

Addition of angular momentum

{wiki=Singlet_state}

= Rotation singlet
{synonym}

Two equal spins $j$ have the unique total-spin-zero state
$$
|0,0\rangle=\frac1{\sqrt{2j+1}}
\sum_{m=-j}^j(-1)^{j-m}|j,m\rangle|j,-m\rangle.
$$
It is invariant under joint rotations.


Angular momentum singlet state

Spin-one-half singlet state

Past exam of the mathematics course of the University of Cambridge / 2023 / ii / Paper 4 / 33B / c / Solution

Spin singlet state

Angular momentum singlet state

Spin-one-half singlet state ( $∣0, 0 ⟩$ )

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Angular momentum singlet state

Spin-one-half singlet state (∣0,0⟩)

 Ancestors (6)

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Spin-one-half singlet state ( $∣0, 0 ⟩$ )

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