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atfqf

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[求助] 退相位和退相干 已有1人参与

求问什么是退相干和退相位,英语里面是dephasing  and decoherence,它们区别又是啥?

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doublena

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快来回答……
2楼2015-01-21 12:07:31
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sciencejoy

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atfqf: 金币+10 2015-01-22 13:11:57
Dephasing is a mechanism that recovers classical behavior from a quantum system. It refers to the ways in which coherence caused by perturbation decays over time, and the system returns to the state before perturbation. Decoherence is the loss of coherence or ordering of the phase angles between the components of a system in a quantum superposition.
3楼2015-01-22 09:40:44
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doublena

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引用回帖:
3楼: Originally posted by sciencejoy at 2015-01-22 09:40:44
Dephasing is a mechanism that recovers classical behavior from a quantum system. It refers to the ways in which coherence caused by perturbation decays over time, and the system returns to the state  ...

可以具体说说,不要复制维基百科上的,好不好?
4楼2015-01-24 13:25:29
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