Entanglement Evolution of a Two-Qubit System beyond Rotating-Wave Approximation |
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Authors: | YANG Qing YANG Ming CAO Zhuo-Liang |
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Institution: | School of Physics and Material Science, Anhui University, Hefei 230039Department of Physics, Hefei Teachers College, Hefei 230061 |
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Abstract: | Two noninteracting qubits, initially entangled in Bell states, are coupled to a one-mode cavity and evolve under its influence. The entanglement evolution of the two qubits is investigated beyond the rotating-wave approximation. It is shown that the counter-rotating wave terms have a great influence on the disentanglement behavior. |
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Keywords: | 03 65 03" target="_blank">Ud')">03 65 Ud 03 65 Yz 03" target="_blank">')"> 03 67 -a |
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