Quantum Computing, Quantum Information, Quantum, Quantum Fourier Transform, Quantum Entanglement.
gate, the SWAP gate, and the controlled-Rk (defined below). The complete circuit of the QFT is represented below, and the last gate is SWAPn, the n-qubit gate consisting in swapping the first qubit with the last, the second with the (n-1)-th qubit, and so on. One of the reasons why the QFT is so