Chapter 3: Quantum Circuit Model of Computation
There are fundamental differences between classical computing and quantum computing; classical computing is deterministic with 1s and 0s, and quantum is probabilistic with a twist. Quantum computers work with probability amplitudes, which is a postulate of quantum mechanics (see Section 2.2, Postulate 2 – Probability amplitudes). The probabilistic amplitudes of quantum computing behave differently from classical probabilities in that these values can cancel each other out, which is known as destructive interference.
Destructive interference...