改进信息协调的简单误差分散模型
Simple Error Scattering Model for improved Information Reconciliation
摘要：
由于原始密钥的后处理严重降低了最终的安全密钥速率，目前可用的量子密钥分发的实现方式效率低下。我们提出了一个简单的模型的错误分散在整个原始密钥，并推导出“封闭形式”的奇偶校验失败的概率表达式，或经历超过一些固定数量的错误。我们的研究结果可以用于改善关键的建立，通过交互式纠错和隐私放大的信息和解依赖于大多未经证实的假设。我们根据统计数据支持这些假设。
英文摘要：
Implementations of quantum key distribution as available nowadays suffer from inefficiencies due to post processing of the raw key that severely cuts down the final secure key rate. We present a simple model for the error scattering across the raw key and derive "closed form" expressions for the probability of a parity check failure, or experiencing more than some fixed number of errors. Our results can serve for improvement for key establishment, as information reconciliation via interactive error correction and privacy amplification rests on mostly unproven assumptions. We support those hypotheses on statistical grounds.
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