Quantum ToolkitFactoriesPhaseOn this pagePhase Phase(real phi) -> OperatorParam<real> Returns a global phase spin-1/2 operator P(ϕ)=e−iϕP(\phi) = e^{-i\phi}P(ϕ)=e−iϕ. Parameters phi: The phase angle. Example var ps = Phase(3.14159) // π phase