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arXiv quant-ph/0501055quant-ph
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一种利用EPR对和局域测量的量子通信方案

A scheme for quantum communication using EPR pairs and local measurement

Feng-Li Yan, Ting Gao

摘要:

我们提出了一个量子通信方案,其中一组EPR对,最初由发送方Alice和接收方Bob共享,充当量子信道。在保证量子信道安全性的前提下,Alice对EPR对中的粒子进行局域测量,并将其编码的经典信息公开告知Bob。根据Alice的经典信息和他对EPR对的测量结果,Bob可以直接推断出秘密消息。在该方案中,发送方Alice只需要向接收方Bob发送1比特的经典信息,就可以传输1比特的秘密信息。我们还证明了在使用完美量子信道的情况下,该方案是完全安全的。

英文摘要:

We present a scheme for quantum communication, where a set of EPR pairs, initially shared by the sender Alice and the receiver Bob, functions as a quantum channel. After insuring the safety of the quantum channel, Alice applies local measurement on her particles of the EPR pairs and informs Bob the encoding classical information publicly. According to Alice's classical information and his measurement outcomes on the EPR pairs Bob can infer the secret messages directly. In this scheme, to transmit one bit secret message, the sender Alice only needs to send one bit classical information to the receiver Bob. We also show that this scheme is completely secure if perfect quantum channel is used.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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