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Entanglement Dynamics and Chaos in the Dicke Model |
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| Authors: | Lijun Song Xiaoguang Wang Dong Yan ZhanGuo Zong |
| Institution: | (1) Institute of Applied Physics, Changchun University, Changchun, 130022, P.R. China;(2) School of Science, Changchun University of Science and Technology, Changchun, 130022, P.R. China;(3) Zhejiang Institute of Modern Physics, Department of Physics, Zhejiang University, HangZhou, 310027, P.R. China;(4) School of Science, Lanzhou University of Technology, Lanzhou, 730050, P.R. China |
| Abstract: | We study dynamical properties of quantum entanglement in the Dicke model with and without the rotating-wave approximation. Specifically, we investigate the maximal entanglement and mean entanglement which reflect the underlying chaos in the system, and a good classical-quantum correspondence is found. We also show that the maximal linear entropy can be more sensitive to chaos than the mean linear entropy. |
| Keywords: | Entanglement Chaos Linear entropy |
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