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量子電腦 - 中研院物理研究所

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Quantum Teleportation<br />

Transmit an unknown qubit state<br />

without sending the qubit<br />

Ω = α<br />

0 + β<br />

1<br />

Alice<br />

2 Bits<br />

Classical Information<br />

Bob<br />

Bell State Measurement<br />

Φ<br />

± Ψ<br />

±<br />

Unitary Transform<br />

,<br />

I, Z, X,<br />

−Y<br />

Entangled<br />

Pair<br />

1 2 糾 纏 對 3<br />

unknown<br />

Ω = α 0 + β 1<br />

EPR-Source

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