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量子電腦 - 中研院物理研究所

量子電腦 - 中研院物理研究所

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Decoherence III: Random phase<br />

k + e k<br />

iϕ<br />

1 2<br />

Random phase shift<br />

film<br />

Attenuation<br />

No interference pattern, if the whichpathway<br />

information is recorded by an<br />

environment.<br />

Courtesy of R.B. Liu

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