Phase inversion is a concept in quantum computing that refers to the transformation of the quantum state of a system such that its phase is flipped, typically represented as a change in sign of the amplitude in the quantum superposition. This technique plays a crucial role in Grover's algorithm, where it aids in amplifying the probability of the desired outcomes by inverting the amplitude of the target state compared to the non-target states. Phase inversion is a key mechanism for enhancing the efficiency of quantum search algorithms.
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