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year 27, Issue 1 (Iranian Nano-Photonic Conference 2020 2020)
ICOP & ICPET _ INPC _ ICOFS 2020, 27(1): 91-93 |
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Ghasemian E, Tavassoly M K. Dynamics of an atomic Bose-Einstein condensate interacting with nonlinear quantized field under the influence of Stark effect. ICOP & ICPET _ INPC _ ICOFS 2020; 27 (1) :91-93
URL: http://opsi.ir/article-1-2263-en.html
URL: http://opsi.ir/article-1-2263-en.html
1- Optics and Laser Group, Faculty of Physics, Yazd University
Abstract: (1535 Views)
In this paper we present a generalized Dicke model for the interaction between an atomic Bose-Einstein condensate with a nonlinear quantized field in the presence of Stark effect. We study the dynamics of the system by considering two different initial photonic states i.e., coherent and squeezed field. Our results show that the dynamical evolution of the system can be controlled by tuning the parameters describing the considered interactions. For instance, the energy levels can be manipulated and shifted by considering the Stark effect. Also, collapse-revival phenomenon can be observed in the patterns of atomic inversion, specially, in case of initial coherent state. Short time squeezing takes place in the field quadratures and can be exchanged between them in the absence or presence of Stark effect.
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