Issue |
EPL
Volume 126, Number 3, May 2019
|
|
---|---|---|
Article Number | 30001 | |
Number of page(s) | 7 | |
Section | General | |
DOI | https://doi.org/10.1209/0295-5075/126/30001 | |
Published online | 29 May 2019 |
Auxiliary-qubit-driving–induced entanglement and logic gate
1 School of Physics and Engineering, Zhengzhou University - Zhengzhou 450001, China
2 Department of Physics, Harbin Institute of Technology - Harbin 150001, China
(a) slsu@zzu.edu.cn
Received: 22 April 2019
Accepted: 15 May 2019
A one-step scheme to remotely create a two-atom Einstein-Podolsky-Rosen (EPR) entangled state and a quantum logic gate via exchanging the virtual photon is proposed. Two systematic atoms require no laser driving but get entangled, while the state of the auxiliary atom requiring laser driving always remains invariant. The scheme may have applications in the remote quantum information processing (QIP) tasks and quantum computation. The robustness against decoherence is demonstrated numerically and discussed in theory. In addition, the experimental issues and improvement of the scheme are also discussed.
PACS: 03.65.Ud – Entanglement and quantum nonlocality (e.g. EPR paradox, Bell's inequalities, GHZ states, etc.) / 03.67.Lx – Quantum computation architectures and implementations / 03.67.Mn – Entanglement measures, witnesses, and other characterizations
© EPLA, 2019
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.