态相关混合态克隆的全局保真度极限
量子物理
2009-11-10 v2
摘要
通过相应修正，将已知的态相关克隆的全局保真度极限推广到混合量子态。我们假设辅助系统包含关于输入态的一些先验信息。如所示，所获得的结果有助于更强的不可克隆定理。讨论了所给出极限的可达性。
引用
@article{arxiv.quant-ph/0301132,
title = {Global-fidelity limits of state-dependent cloning of mixed states},
author = {Alexey E. Rastegin},
journal= {arXiv preprint arXiv:quant-ph/0301132},
year = {2009}
}
备注
8 pages, ReVTeX, 1 figure. In revised form an attainability of presented limits is discussed. Detected errors are corrected. Elucidative figure is added. Minor grammatical changes are made. More explanations