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Content Provider | IEEE Xplore Digital Library |
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Author | Hui Wang Zairong Xi |
Copyright Year | 2012 |
Description | Author affiliation: Key Laboratory of Systems and Control, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing, China (Hui Wang; Zairong Xi) |
Abstract | The dynamics of two identical atoms is studied, which is resonantly coupled to a single-mode cavity under two different quantum feedback controls, i.e., the symmetric feedback control and the nonsymmetric feedback control. Correspondingly, the quantum discord of the system is induced to reach steady values under these two kinds of feedback controls. Furthermore, in some cases, the steady value of quantum discord of the system under symmetric feedback control is much larger than the steady value under nonsymmetric feedback control. The situation is just the opposite when the initial state is |eg〉. It is also found that the feedback is not good for getting a high discord when the initial state is in the form of Werner-like state (d = 0). |
Starting Page | 1634 |
Ending Page | 1638 |
File Size | 345922 |
Page Count | 5 |
File Format | |
ISBN | 9781467313971 |
e-ISBN | 9781467313988 |
DOI | 10.1109/WCICA.2012.6358139 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2012-07-06 |
Publisher Place | China |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Feedback control Cavity resonators Entropy Correlation Quantum entanglement Atomic beams Atomic clocks nonsymmetric feedback control Quantum discord dynamics symmetric feedback control |
Content Type | Text |
Resource Type | Article |
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