量子電腦 - 中研院物理研究所
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 II: Which-pathway recorded<br />
The two-level system is excited if<br />
the photon goes the upper path.<br />
film<br />
Attenuation<br />
k<br />
↑ + k ↓<br />
1 2<br />
No interference pattern, even if you<br />
don’t know but only have the possibility<br />
to know which-pathway.<br />
Courtesy of R.B. Liu
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