Effects of Kerr medium and stark shift parameter on Wehrl entropy and the field purity for two-photon Jaynes–Cummings model under dispersive approximation

AF Al Naim, JY Khan, EM Khalil… - Journal of Russian Laser …, 2019 - Springer
We estimate the quantum state of a two-level atom and the coherent field in a Kerr medium
subject to the cavity dam**. The density matrix of the field is considered within the …

External classical field and dam** effects on a moving two level atom in a cavity field interaction with Kerr-like medium

MY Abd-Rabbou, EM Khalil, MMA Ahmed… - International Journal of …, 2019 - Springer
The interaction between a moving two-level atom and squeezed coherent states in the
presence of Kerr like medium and an external classical field is studied. We consider the …

[PDF][PDF] Maximum entropy for image segmentation based on an adaptive particle swarm optimization

C Qi - Applied Mathematics & Information Sciences, 2014 - naturalspublishing.com
Image segmentation is applied widely to image processing and object recognition.
Threshold segmentation is a simple and important method in grayscale image …

Bidirectional teleportation using Fisher information

C Seida, A El Allati, N Metwally… - Modern Physics Letters …, 2020 - World Scientific
In this contribution, we reformulated the bidirectional teleportation protocol suggested in Ref.
7, by means of Bloch vectors as well as the local operations are represented by using Pauli …

Entanglement and Fisher Information for Atoms–Field System in the Presence of Negative Binomial States

K Berrada, S Abdel-Khalek, M Algarni, H Eleuch - Entropy, 2022 - mdpi.com
We developed a quantum scheme of two atoms (TAs) and field initially in a negative
binomial state (NBS). We displayed and discussed the physical implications of the obtained …

Effects of Stark shift and decoherence terms on the dynamics of phase-space entropy of the multiphoton Jaynes Cummings model

ASF Obada, S Abdel-Khalek, EM Khalil, SI Ali - Physica scripta, 2012 - iopscience.iop.org
The time evolution of the Wehrl entropy and Wehrl phase distribution for the multiphoton
Jaynes Cummings model, where the dynamics is described by the phase-damped terms, is …

[HTML][HTML] Emission spectrum and geometric phase in deformed Jaynes-Cummings model

AS Altowyan, S Abdel-Khalek, K Berrada - Results in Physics, 2020 - Elsevier
The emission spectrum of a qubit (two-level atom) system that interacts with a field in the
framework of parity deformations is investigated in this paper. The model consists of a qubit …

[HTML][HTML] Three-level atom–field in the context of time-dependent coupling and power-lower potentials

M Algarni, K Berrada, S Abdel-Khalek, H Eleuch - Results in Physics, 2022 - Elsevier
In the framework of time-varying coupling and power-law potentials, we investigate quantum
entanglement and quantum Fisher information in a system that consists of a three-level atom …

Nonclassicality dynamics of a dissipative cavity field containing two qubits with Kerr medium: Linear and Wehrl phase entropies

ABA Mohamed, F Maiz, F Almalki, EM Khalil… - … Physics Letters A, 2022 - World Scientific
An analytical solution for a dissipative cavity field interacting with two qubits (TQs) in
presence of Kerr-like medium is obtained. The super-operator method is used to obtaining …

Dynamic properties of wehrl information entropy and wehrl phase distribution for a moving four-level atom

S Abdel-Khalek, AA Mousa, TA Nofal - Journal of Russian Laser Research, 2012 - Springer
We study the dynamics of the von Neumann entropy, Wehrl entropy, and Wehrl phase
distribution for a single four-level ladder-type atom interacting with a one-mode cavity field …