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Open AccessArticle

Quantum Quantifiers for an Atom System Interacting with a Quantum Field Based on Pseudoharmonic Oscillator States

1
Department of Physics, Faculty of Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
2
Department of Physics, College of Science, Al Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia
*
Author to whom correspondence should be addressed.
Entropy 2018, 20(8), 607; https://doi.org/10.3390/e20080607
Received: 9 June 2018 / Revised: 17 July 2018 / Accepted: 2 August 2018 / Published: 16 August 2018
(This article belongs to the Special Issue Entropy in Foundations of Quantum Physics)
We develop a useful model considering an atom-field system interaction in the framework of pseudoharmonic oscillators. We examine qualitatively the different physical quantities for a two-level atom (TLA) system interacting with a quantized coherent field in the context of photon-added coherent states of pseudoharmonic oscillators. Using these coherent states, we solve the model that exhibits the interaction between the TLA and field associated with these kinds of potentials. We analyze the temporal evolution of the entanglement, statistical properties, geometric phase and squeezing entropies. Finally, we show the relationship between the physical quantities and their dynamics in terms of the physical parameters. View Full-Text
Keywords: pseudoharmonic oscillators; entanglement; von Neumann entropy; geometric phase; nonclassicality; squeezing entropies; quantum dynamics; photon-added coherent states pseudoharmonic oscillators; entanglement; von Neumann entropy; geometric phase; nonclassicality; squeezing entropies; quantum dynamics; photon-added coherent states
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Raffah, B.M.; Berrada, K. Quantum Quantifiers for an Atom System Interacting with a Quantum Field Based on Pseudoharmonic Oscillator States. Entropy 2018, 20, 607.

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