 Orbital parity

ID: orbital-parity

Codex  0 Created 2026-10-03 Updated 2026-10-05

ℓ

changes by the factor

(- 1)^{ℓ}

under spatial reflection. Equivalently,

Y_{ℓ}^{m} (- r) = (- 1)^{ℓ} Y_{ℓ}^{m} (r) .

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