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Quantum information science is an area of study based on the idea that information science depends on quantum effects in physics. It includes theoretical issues in computational models as well as more experimental topics in quantum physics including what can and cannot be done with quantum information. The term quantum information theory is sometimes used, but it fails to encompass experimental research in the area. Subfields include: * Quantum computing, which deals on the one hand with the question how and whether one can build a quantum computer and on the other hand, algorithms that harness its power (see quantum algorithm) * Quantum complexity theory * Quantum cryptography and its generalization, quantum communication * Quantum error correction * Quantum communication complexity * Quantum entanglement, as seen from an information-theoretic point of view * Quantum dense coding * Quantum teleportation is a well-known quantum information processing operation, which can be used to move any arbitrary quantum state from one particle (at one location) to another. == See also == * No-communication theorem * Quantum decision tree complexity * Quantum capacity * Quantum communication channel * Entanglement-assisted classical capacity 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Quantum information science」の詳細全文を読む スポンサード リンク
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