On the role of the four-qubit state in two-qubit gate teleportation

被引：0

作者：

Sousa, P. R. M. ^{[1
]}

Mendes, F. V. ^{[1
]}

Ramos, R. V. ^{[1
]}

机构：

[1] Univ Fed Ceara, Lab Quantum Informat Technol, Dept Teleinformat Engn, DETI UFC, CP 6007,Campus Pici, BR-60455970 Fortaleza, Ceara, Brazil

来源：

QUANTUM INFORMATION PROCESSING | 2016年 / 15卷 / 05期

关键词：

Two-qubit gate teleportation; Entanglement; Four-qubit states;

D O I：

10.1007/s11128-015-1108-8

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The full analysis of quantum protocols requires the knowledge of the role of quantum states, bases of measurement and quantum gates involved. In what concerns the famous two-qubit quantum gate teleportation protocol, the role of the basis of measurement was considered in a recent work by Mendes and Ramos. In this work, we analyze the role of the four-qubit state used as resource. We show that the quantum two-qubit gate teleportation divides the set of pure four-qubit states in two classes. For one class, deterministic and probabilistic teleportation can be achieved, while for the other class, probabilistic remote two-qubit gate preparation is achieved.

引用

页码：2125 / 2135

页数：11

共 9 条

[1] Demonstrating the viability of universal quantum computation using teleportation and single-qubit operations [J].