Quantum Computing.
gates The phase shift gate acting on one qbit simply adds a phase to the state |1⟩ and leave the state |0⟩ unchanged U_φ = |0⟩⟨0| + (cos φ + i sin φ) |1⟩⟨1| We can combine Hadamard and phase shift to get U_θφ |0⟩ = U_H U_2θ U_H U_(90°+φ) = cos θ |0⟩ + sin θ (cos φ + i sin φ)|1⟩ This is the most