scholarly journals Asymptotic entanglement transformation between W and GHZ states

2015 ◽  
Vol 56 (2) ◽  
pp. 022204 ◽  
Author(s):  
Péter Vrana ◽  
Matthias Christandl
Keyword(s):  
Ghz States ◽  
Entanglement Transformation

Fault-tolerant blind quantum computing using GHZ states over depolarization channel

2021 ◽  
Vol 20 (9) ◽  
Author(s):  
Xiaoqing Tan ◽  
Hong Tao ◽  
Xiaoqian Zhang ◽  
Xiaodan Zeng ◽  
Qingshan Xu
Keyword(s):  
Quantum Computing ◽  
Fault Tolerant ◽  
Ghz States

scholarly journals Fault-tolerant distribution of GHZ states and controlled DSQC based on parity analyses

2017 ◽  
Vol 25 (16) ◽  
pp. 18581 ◽  
Author(s):  
Li Dong ◽  
Yan-Fang Lin ◽  
Cen Cui ◽  
Hai-Kuan Dong ◽  
Xiao-Ming Xiu ◽  
...  
Keyword(s):  
Fault Tolerant ◽  
Ghz States

Semi-Quantum Key Distribution Protocols with GHZ States

2018 ◽  
Vol 57 (12) ◽  
pp. 3621-3631 ◽  
Author(s):  
Kong-Ni Zhu ◽  
Nan-Run Zhou ◽  
Yun-Qian Wang ◽  
Xiao-Jun Wen
Keyword(s):  
Quantum Key Distribution ◽  
Key Distribution ◽  
Ghz States

Teleportation and dense coding via a multiparticle quantum channel of the GHZ-class

2002 ◽  
Vol 2 (5) ◽  
pp. 367-378
Author(s):  
V.N. Gorbachev ◽  
A.I. Zhiliba ◽  
A.I. Trubilko ◽  
A.A. Rodichkina
Keyword(s):  
Quantum Channel ◽  
Entangled States ◽  
Dense Coding ◽  
Ghz States ◽  
Classical Capacity ◽  
Coding Schemes ◽  
One To One

A set of protocols for teleportation and dense coding schemes based on a multiparticle quantum channel, represented by the $N$-particle entangled states of the GHZ class, is introduced. Using a found representation for the GHZ states, it was shown that for dense coding schemes enhancement of the classical capacity of the channel due from entanglement is $N/N-1$. Within the context of our schemes it becomes clear that there is no one-to one correspondence between teleportation and dense coding schemes in comparison when the EPR channel is exploited. A set of schemes, for which two additional operations as entanglement and disentanglement are permitted, is considered.

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