所有不可分离的双模高斯连续变量态均可蒸馏
量子物理
2007-05-23 v2
摘要
我们证明了两个无限维系统的所有纠缠高斯态均可被蒸馏为有限维的最大纠缠态。该蒸馏协议涉及局部压缩操作、以相干态制备的 ancilla 系统的局部零差测量，以及对两副本态的总粒子数算符的局部联合测量。
引用
@article{arxiv.quant-ph/0007061,
title = {All inseparable two-mode Gaussian continuous variable states are distillable},
author = {Geza Giedke and Lu-Ming Duan and J. Ignacio Cirac and Peter Zoller},
journal= {arXiv preprint arXiv:quant-ph/0007061},
year = {2007}
}
备注
4 pages, revtex4; minor changes: typo in eq. (8) corrected, some formulations changed, references added