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year 28, Issue 2 (ICOP & ICPET 2022 2022)
ICOP & ICPET _ INPC _ ICOFS 2022, 28(2): 217-220 |
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Jahanbakhsh F, Tavassoly M K. Entanglement dynamics of two qutrits interacting with a two-mode quantized field: beyond the rotating wave approximation. ICOP & ICPET _ INPC _ ICOFS 2022; 28 (2) :217-220
URL: http://opsi.ir/article-1-2714-en.html
URL: http://opsi.ir/article-1-2714-en.html
Abstract: (731 Views)
Considering a system consisting of two qutrits ( 
-type three-level atoms) interacting with a two-mode quantized field in a high quality cavity and in the presence of counter rotating terms, we solve the time-dependent Schrödinger equation for the mentioned system. Then, we calculate the linear entropy (in order to investigate the entanglement dynamics of different subsystems in the presence and absence of a rotating wave approximation) for this system. Our numerical results show that death and then birth of entanglement occur in some cases. Also, the collapse-revival phenomena are clearly visible in these studies, which the number of them and thus entanglement fluctuations, can be changed according to the different chosen values for the effective parameters in the desired model (in the absence of a rotating wave approximation relative to its presence). In addition, nearly stable entanglement can be observed in some particular conditions.
Type of Study: Experimental |
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