Qiskit, Quantum Computing, Computer Science, Deutsch Jozsa Algorithm, Quantum Algorithms.
understand. I won’t dive into much detail here (you can instead refer to the Qiskit Textbook, this Stackexchange answer, and a Medium post by Quantum Untangled’s own Emilio Peláez). Suffice to say, Phase Kickback causes a controlled-gate (like CX and CZ) to alter the control qubit, but only if the