Quantum Computing, Quantum Information, Quantum, Quantum Fourier Transform, Quantum Entanglement.
|0⟩+|1⟩). If we apply the Quantum Fourier Transform to this state, we obtain the state expressed as: One can verify (by computing the determinant of the associated matrix for instance) that this state is entangled. However, in the 2-qubit case, we only have two entanglement classes: the separable