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Making Weirdness Work: Quantum Information and Computation

机译:使怪异起作用:量子信息和计算

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Information is something that can be encoded in the state of a physical system, and a computation is a task that can be performed with a physically realizable device. Therefore, since the physical world is fundamentally quantum mechanical, the foundations of information theory and computer science should be sought in quantum physics. In fact, quantum information has weird properties that contrast sharply with the familiar properties of classical information. A quantum computer - a new type of machine that exploits the quantum properties of information - could perform certain types of calculations far more efficiently than any foreseeable classical computer. To build a functional quantum computer will be an enormous technical challenge. New methods for quantum error correction are being developed that can help to prevent a quantum computer from crashing
机译:信息是可以在物理系统状态下进行编码的内容,而计算是可以使用可物理实现的设备执行的任务。因此,由于物理世界从根本上说是量子力学,因此在量子物理学中应寻求信息论和计算机科学的基础。实际上,量子信息具有与经典信息熟悉的特性形成鲜明对比的怪异特性。量子计算机(一种利用信息量子性质的新型机器)可以比任何可预见的经典计算机更有效地执行某些类型的计算。建立功能量子计算机将是巨大的技术挑战。正在开发用于量子纠错的新方法,这些方法可以帮助防止量子计算机崩溃

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