容错架构中魔法态的催化和激活
量子物理
2011-06-28 v3
摘要
在许多容错量子计算架构中，通用性是通过结合Clifford群酉算子和制备合适的非稳定子态（即所谓的魔法态）来实现的。即使对于某些相当嘈杂的非稳定子态，通用性也是可能的，因为蒸馏可以将许多嘈杂的副本转化为更少但更纯的魔法态。在这里，我们提出了新颖的协议，以令人惊讶的方式利用多种魔法态。这些协议提供了先前未观察到的现象的示例，这些现象类似于纠缠理论中众所周知的催化和激活。
引用
@article{arxiv.1010.0104,
title = {Catalysis and activation of magic states in fault tolerant architectures},
author = {Earl T. Campbell},
journal= {arXiv preprint arXiv:1010.0104},
year = {2011}
}
备注
A feature talk at QIP 2011, video available at http://qip2011.quantumlah.org/scientificprogramme/movie.php?id=1010.0104 V2:The no-go proof for the transformation without the aid of a catalyst is presented in a much more general way that can be used to demonstrate many other no-go results. These changes are mostly in appendix A and B. Some additional changes