Quantum ToolkitOperatorsProj0On this pageProj0 Proj0(integer site) -> SpinHalfOperator Returns a spin-1/2 OperatorNamed for the projector ∣0⟩⟨0∣|0\rangle\langle 0|∣0⟩⟨0∣. Parameters site: The site index where the operator acts (exactly 1 site required). Example var p0_op = Proj0(0)