Quasi-Probability Husimi-Distribution Information and Squeezing in a Qubit System Interacting with a Two-Mode Parametric Amplifier Cavity

Eied. M. Khalil, Abdel-Baset. A. Mohamed, Abdel-Shafy F. Obada and Hichem Eleuch
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Eied. M. Khalil: Department of Mathematics, College of Science, P.O. Box11099, Taif University, Taif 21944, Saudi Arabia
Abdel-Baset. A. Mohamed: Department of Mathematics, College of Science and Humanities in Al-Aflaj, Prince Sattam bin Abdulaziz University, Al-Aflaj 11942, Saudi Arabia
Abdel-Shafy F. Obada: Faculty of Science, Al-Azhar University, Nasr City 11884, Cairo, Egypt

Mathematics, 2020, vol. 8, issue 10, 1-11

Abstract: Squeezing and phase space coherence are investigated for a bimodal cavity accommodating a two-level atom. The two modes of the cavity are initially in the Barut–Girardello coherent states. This system is studied with the SU(1,1)-algebraic model. Quantum effects are analyzed with the Husimi function under the effect of the intrinsic decoherence. Squeezing, quantum mixedness, and the phase information, which are affected by the system parameters, exalt a richer structure dynamic in the presence of the intrinsic decoherence.

Keywords: decoherence; two modes; squeezing; Husimi distribution (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2020
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