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发表于 2011-3-2 14:05
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量子纠缠
具有量子纠缠现象的各个成员系统,即使一颗行至太阳边,一颗行至冥王星边,如此遥远的距离下,它们仍保有特别的关联性(correlation);亦即当其中一颗被操作(例如量子测量)而状态发生变化,另一颗也会“即刻”发生相应的状态变化。这种现象在1972年被实验证实。2010年科学家制成了量子鼓,证实宏观世界也有量子效应。
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4 P, J5 U1 s& \, G: LQuantum entanglement(Retrieved from wikipedia.org)
/ S+ ~/ z' `( P: c$ R: gQuantum entanglement is a property of the quantum mechanical state of a system containing two or more objects, where the objects that make up the system are linked in such a way that the quantum state of any of them cannot be adequately described without full mention of the others, even if the individual objects are spatially separated. Quantum entanglement was verified experimentally for the first time in 1972 by Stuart Freedman and John Clauser. |
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