Academic Journal
On a Moving Four-Level λ-Type Atom Interacting with a Single-Mode Quantized Field in Intensity-Dependent Coupling
| العنوان: | On a Moving Four-Level λ-Type Atom Interacting with a Single-Mode Quantized Field in Intensity-Dependent Coupling |
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| المؤلفون: | M. El-Shahat, Tarek, E. Thabet, Lamia |
| المصدر: | Applied Mathematics & Information Sciences |
| بيانات النشر: | Arab Journals Platform |
| سنة النشر: | 2018 |
| مصطلحات موضوعية: | Four-level atom, intensity-dependent coupling, purity, Fidelity, normal squeezing |
| الوصف: | The interaction between a moving four-level atom and a single-mode cavity ï¬eld are discussed in the presence of intensity dependent atom ï¬eld coupling. For this purpose, we ï¬rst demonstrate the feasibility of the effective Hamiltonian and evaluate the explicit time-dependent form of the state vector of the whole system by choosing special initial conditions for atom, ï¬eld. Considering the ï¬eld to be initially in a coherent state, and the atom is initially prepared in the excited state. The wave function is obtained in three different cases: resonance case, off-resonance case, ï¬nally we obtained it in the general form. We study the nonclassical features of the system such as Atomic inversion, Filed entropy, purity, Fidelity, Mandel Q-parameter, Mean photon number and normal squeezing. The results show that, The temporal evolution of ï¬eld entropy (entanglement), Mandel parameter, mean photon number and normal squeezing are sensitive to intensity-dependent coupling, which changes the quantum statistical behaviour of the atom-ï¬eld state to a full sub-Poissonian statistics. Finally, conclusions and some features and comments are given. |
| نوع الوثيقة: | text |
| وصف الملف: | application/pdf |
| اللغة: | unknown |
| Relation: | https://digitalcommons.aaru.edu.jo/amis/vol12/iss1/18; https://digitalcommons.aaru.edu.jo/context/amis/article/2582/viewcontent/r93s11wx8tes33.pdf |
| DOI: | 10.18576/amis/120118 |
| الاتاحة: | https://digitalcommons.aaru.edu.jo/amis/vol12/iss1/18 https://doi.org/10.18576/amis/120118 https://digitalcommons.aaru.edu.jo/context/amis/article/2582/viewcontent/r93s11wx8tes33.pdf |
| رقم الانضمام: | edsbas.C7922FE5 |
| قاعدة البيانات: | BASE |
| DOI: | 10.18576/amis/120118 |
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