Quantum Computing, Quantum, Quantum Physics, Quantum Mechanics, Quantum Computer.
two-qubit state |xlxj⟩ where the first qubit is the control and the second is the target is given by Given these two gates, a circuit that implements an n-qubit QFT is shown below. The circuit operates as follows. We start with an n-qubit input state |x1,x2,…xn⟩ . After the first Hadamard gate on