Implementation-Oriented Quantum Information Processing

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Quantum computers have attracted much attention recently. It is known that many restrictions are imposed on implementing quantum computers. Thus, it is important to investigate restricted models of quantum computation. In this research, we proposed several implementation-oriented quantum computation models, andinvestigated the ability of such models. We showed that even in such restricted models, quantum computers can be more powerful than classical computers. We also showed that in a particular case, quantum computers can be less powerful than classical computers because of the restriction of reversibility.