 Spin singlet state

ID: spin-singlet-state

The two-spin singlet is

∣ Ψ^{-} ⟩ = \frac{∣01 ⟩ - ∣10 ⟩}{2} .

Spin measurements along axes

a

and

b

E (a, b) = - a \cdot b

, and equal axes give perfect anticorrelation.

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