Intrinsic angular momentum S with S² = ℏ²s(s+1), s ∈ {0, ½, 1, …}. Electron carries s = ½; Pauli matrices realise it. Not a classical analogue.
Intrinsic angular momentum S with S² = ℏ²s(s+1), s ∈ {0, ½, 1, …}. Electron carries s = ½; Pauli matrices realise it. Not a classical analogue.