量子电子学报2007，Vol.24Issue(3)：316-322,7.
用三态粒子的直积态进行量子密钥分配及受控量子直接通讯
Quantum key distribution and controlled quantum direct communication applying product state of qutrit
摘要
Abstract
On basis of the nonlocality without entanglement proposed by Bennett, the properties of an orthogonal set of product states of two qutrits are revealed, i.e., the transformation among different composite spaces can be realized by using three unitary operations, and the correlation between two composite spaces is found. These properties can be used to quantum communication and quantum cryptography. As examples, we propose a scheme of controlled quantum secure direct communication and one of quantum key distribution. It is shown that applying the product state of qutrit to quantum information processing not only is of the advantages of large capacity and high efficiency, but ensures the security.关键词
量子信息/非局域性/三态粒子/直积态/量子通讯/量子密钥分配Key words
quantum information/nonlocality/qutrit/product state/quantum communication/quantum key distribution分类
数理科学引用本文复制引用
朱爱东,张寿..用三态粒子的直积态进行量子密钥分配及受控量子直接通讯[J].量子电子学报,2007,24(3):316-322,7.基金项目
Supported by National Natural Sciences Foundation of China under Grant No. 60667001 （）
