Please use this identifier to cite or link to this item:
https://www.um.edu.mt/library/oar/handle/123456789/100298
Title: | Efficient quantum information transfer through a uniform channel |
Authors: | Banchi, Leonardo Apollaro, Tony John George Cuccoli, Alessandro Vaia, Ruggero Verrucchi, Paola |
Keywords: | Spintronics Quantum theory Quantum entanglement Quantum systems Quantum communication |
Issue Date: | 2011 |
Publisher: | SAGE Publications |
Citation: | Banchi, L., Apollaro, T. J., Cuccoli, A., Vaia, R., & Verrucchi, P. (2011). Efficient quantum information transfer through a uniform channel. Nanomaterials and Nanotechnology, 1(1), 24-28. |
Abstract: | Effective quantum-state and entanglement transfer can be obtained by inducing a coherent dynamics in quantum wires with homogeneous intrawire interactions. This goal is accomplished by optimally tuning the coupling between the wire endpoints and the two qubits there attached. A general procedure to determine such value is devised, and scaling laws between the optimal coupling and the length of the wire are found. The procedure is implemented in the case of a wire consisting of a spin-1/2 XY chain: results for the time dependence of the quantities which characterize quantum-state and entanglement transfer are found of extremely good quality also for very long wires. The present approach does not require engineered intrawire interactions nor a specific initial pulse shaping, and can be applied to a vast class of quantum channels. |
URI: | https://www.um.edu.mt/library/oar/handle/123456789/100298 |
Appears in Collections: | Scholarly Works - FacSciPhy |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
Efficient_Quantum_Information_Transfer.pdf | 1.04 MB | Adobe PDF | View/Open |
Items in OAR@UM are protected by copyright, with all rights reserved, unless otherwise indicated.