通过自旋链中费米子自旋波交换实现的光子相位门
量子物理
2010-09-21 v3 量子气体
摘要
我们提出了一种实现两比特光子相位门的新协议。在我们的方法中，π相位通过将两个单光子映射到具有费米子特性的原子激发并交换它们的位置而获得。费米子激发在自旋链中实现为自旋波，而光子存储技术提供了光子和自旋波之间的接口。讨论了可能的缺陷和适合实现该门的实验系统。
引用
@article{arxiv.1001.0968,
title = {Photonic Phase Gate via an Exchange of Fermionic Spin Waves in a Spin Chain},
author = {Alexey V. Gorshkov and Johannes Otterbach and Eugene Demler and Michael Fleischhauer and Mikhail D. Lukin},
journal= {arXiv preprint arXiv:1001.0968},
year = {2010}
}
备注
4 pages, 1 figure. V2: extended the discussion of the main idea, removed supplementary information and inessential extensions, added references. V3: slightly modified references and text - final version as published in Phys. Rev. Lett