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https://doi.org/10.1016/j.physa.2012.03.024
| Title: | Dynamics of quantum discord in the purification process | Authors: | Song, W. Chen, L. Yang, M. Cao, Z.-L. |
Keywords: | Dynamics process Purification Quantum discord |
Issue Date: | 15-Aug-2012 | Citation: | Song, W., Chen, L., Yang, M., Cao, Z.-L. (2012-08-15). Dynamics of quantum discord in the purification process. Physica A: Statistical Mechanics and its Applications 391 (16) : 4186-4190. ScholarBank@NUS Repository. https://doi.org/10.1016/j.physa.2012.03.024 | Abstract: | We investigate the dynamics of quantum discord during the purification process. In the case of Werner states, it is shown that quantum discord is increased after a round of purification protocol. Furthermore, quantum mutual information and classical correlation is also increased during this process. We also give an analytic expression for a class of higher dimensional states which have additive quantum discord. © 2012 Elsevier B.V. All rights reserved. | Source Title: | Physica A: Statistical Mechanics and its Applications | URI: | http://scholarbank.nus.edu.sg/handle/10635/115071 | ISSN: | 03784371 | DOI: | 10.1016/j.physa.2012.03.024 |
| Appears in Collections: | Staff Publications |
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