Teleportation scheme implementing the universal optimal quantum cloning machine and the universal NOT gate

被引：94
|
作者：
Ricci, M [1 ]
Sciarrino, F
Sias, C
De Martini, F
机构：
[1] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
[2] Univ Roma La Sapienza, Ist Nazl Fis Mat, I-00185 Rome, Italy
来源：
PHYSICAL REVIEW LETTERS | 2004年 / 92卷 / 04期
关键词：
D O I：
10.1103/PhysRevLett.92.047901
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
By a significant modification of the standard protocol of quantum state teleportation, two processes "forbidden" by quantum mechanics in their exact form, the universal NOT gate and the universal optimal quantum cloning machine, have been implemented contextually and optimally by a fully linear method. In particular, the first experimental demonstration of the tele-UNOT gate, a novel quantum information protocol, has been reported. The experimental results are found in full agreement with theory.
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页数：4
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