Universal evolution of non-classical correlations due to collective spontaneous emission

被引：0
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作者：
A. Slaoui
M. I. Shaukat
M. Daoud
R. Ahl Laamara
机构：
[1] University Mohammed V,LPHE
[2] Universidade de Lisboa,Modeling and Simulation, Faculty of Sciences
[3] University of Engineering and Technology,CeFEMA, Instituto Superior Técnico
[4] University Hassan II,Department of Physics, Faculty of Sciences
[5] Abdus Salam International Centre for Theoretical Physics,Ain Chock
[6] Miramare,undefined
[7] Centre of Physics and Mathematics,undefined
[8] CPM,undefined
[9] CNESTEN,undefined
来源：
The European Physical Journal Plus | / 133卷
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摘要：
We explore the spontaneous generation and decay of quantum correlations between two identical atoms coupled to a common Markovian environment in the presence of electromagnetic field modes. For this purpose, we analyze the dynamics of quantum correlations by employing the concurrence, the trace quantum discord and the local quantum uncertainty, for collective Dicke states. It is shown that the collective damping and dipole-dipole interaction plays a key role in enhancing non-classical correlations during the process of intrinsic decoherence. The quantum correlations can be maintained over a long time but for small distance between the two atoms.
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