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Quantum dense coding via atomic ensembles without prior distributed entangled state

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arxiv quant-ph/0511253 v3 pith:PKG6CX4S submitted 2005-11-29 quant-ph

Quantum dense coding via atomic ensembles without prior distributed entangled state

classification quant-ph
keywords atomicensemblesquantumcodingdenseentangledpriorqubit
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We investigate a scheme for implementing quantum dense coding via atomic ensembles, where prior distribution of the quantum entangled state is not needed. Our scheme also combines another two distinct advantages: atomic ensembles qubits with long coherent time serve as memory qubits and phtonic qubit as flying qubit. Thus our suggestion may offer a simple and easy way of demonstrating quantum dense coding experimentally via atomic ensembles.

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