The Entanglement Level and the Detection of Quantum Data Transfer Correctness in Short Qutrit Spin Chains

被引：0
作者：
Marek Sawerwain
Joanna Wiśniewska
机构：
[1] University of Zielona Góra,Institute of Control and Computation Engineering
[2] Military University of Technology,Faculty of Cybernetics, Institute of Information Systems
来源：
Wireless Personal Communications | 2017年 / 96卷
关键词：
Quantum information transfer; Qubit/qutrit chains; Entanglement; Computable cross norm and realignment criterion; Concurrence; Correctness of transfer; Perfect transfer; Numerical simulations;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The quantum entanglement is an important feature of many protocols in the field of quantum computing. In this paper we evaluate a level of entanglement in short qutrit chains. This evaluation is carried out with use of the computable cross norm and realignment criterion and the concurrence measure. We also present some explicit formulae describing the concurrence measure for exemplary short spin chains. Utilizing the obtained results, we indicate that analysing the level of entanglement allows to detect the noise or deviation in the transfer process, in comparison to the perfect transfer where only operation realizing transfer is present.
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页码：5437 / 5452
页数：15
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