Questions tagged [phase-kickback]

For questions about phase kick-back. For a detailed description of the mechanism, go through https://quantumcomputing.stackexchange.com/questions/2565 and the answers therein.

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Why does the “Phase Kickback” mechanism work in the Quantum phase estimation algorithm?

I've probably read the chapter The quantum Fourier transform and its applications from Nielsen and Chuang (10 th anniversary edition) a couple of times before and this took this thing for granted, but ...