Probabilistic superdense coding Based on the mixed entangled state

被引：0

作者：

Mao, Duolu ^{[1
]}

Jia, Guoqing ^{[1
]}

Li, Haiqin ^{[1
]}

机构：

[1] Qinghai Univ Nationalities, Sch Phys & Elect Informat Engn, Xining, Peoples R China

来源：

2014 SIXTH INTERNATIONAL CONFERENCE ON INTELLIGENT HUMAN-MACHINE SYSTEMS AND CYBERNETICS (IHMSC), VOL 2 | 2014年

关键词：

Probabilistic superdense coding; Mixed entangled state; Holevo quantity; channel capacity; DENSE; COMMUNICATION; PURIFICATION;

D O I：

10.1109/IHMSC.2014.152

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

Ideal dense coding protocols allow one to use prior maximal entanglement to send two bits of classical information by the physical transfer of a single encoded qubit. We investigate the case when the prior entanglement is not maximal and the initial state of the entangled pair of qubits being used for the dense coding is a mixed state. The upper bound on the probability to do dense coding is analyzed, and then the capability of dense coding is investigated in this paper.

引用

页码：206 / 209

页数：4

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