On the possibility of quantum computation based on photon exchange interactions

被引：0
|
作者：
Opatrny, T
Kurizki, G
机构：
[1] Univ Jena, Inst Theoret Phys, D-07743 Jena, Germany
[2] Palacky Univ, Dept Theoret Phys, CZ-77146 Olomouc, Czech Republic
[3] Weizmann Inst Sci, Dept Chem Phys, IL-76100 Rehovot, Israel
来源：
FORTSCHRITTE DER PHYSIK-PROGRESS OF PHYSICS | 2000年 / 48卷 / 9-11期
关键词：
D O I：
10.1002/1521-3978(200009)48:9/11<1125::AID-PROP1125>3.0.CO;2-1
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We examine several proposed schemes by Franson et al. for quantum logic gates based on non-local exchange interactions between two photons in a medium. In these schemes the presence of a single photon in a given mode is supposed to induce a large phase shift on another photon propagating in the same medium. We conclude that the schemes proposed so Far are not able to produce the required conditional phase shift, even though the proposals contain many stimulating and intriguing ideas.
引用
收藏
页码：1125 / 1131
页数：7
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