基于连续变量拓扑量子码的经典信息匿名广播
Anonymous broadcasting of classical information with a continuous-variable topological quantum code
摘要:
随着监控技术的改进,匿名广播信息变得更加困难,但值得注意的是,量子协议存在,可以证明无痕广播。困难在于制作可扩展的纠缠资源状态,这些状态对错误具有鲁棒性。我们提出了一个匿名广播协议,使用连续变量的表面代码状态,可以使用当前的技术。高压缩使得大的传输带宽和强匿名性,并且状态的拓扑性质使得局部错误减轻。
英文摘要:
Broadcasting information anonymously becomes more difficult as surveillance technology improves, but remarkably, quantum protocols exist that enable provably traceless broadcasting. The difficulty is making scalable entangled resource states that are robust to errors. We propose an anonymous broadcasting protocol that uses a continuous-variable surface-code state that can be produced using current technology. High squeezing enables large transmission bandwidth and strong anonymity, and the topological nature of the state enables local error mitigation.
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