Numerical Study of Some Statistical Quantities for Quantum Systems Under Damping Effects

We present a model of interaction between a four-level atom and the cavity field initially prepared in the coherent state in the presence of the phase damping effect. We discuss the atom–field entanglement and statistical properties under the damping effect in view of numerical calculations. We use...

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Bibliographic Details
Published inJournal of Russian laser research Vol. 37; no. 3; pp. 219 - 226
Main Authors Alnaja, K. J. M. Abu, Waheed, S. E., Abdel-Khalek, S.
Format Journal Article
LanguageEnglish
Published New York Springer US 01.05.2016
Subjects
Damping
Entanglement
Evolution
Holes
Lasers
Mathematical analysis
Mathematical models
Microwaves
Optical Devices
Optics
Parameters
Photonics
Physics
Physics and Astronomy
RF and Optical Engineering
master equation
negativity
numerical treatments
Mandel parameter
damping effects
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Summary:We present a model of interaction between a four-level atom and the cavity field initially prepared in the coherent state in the presence of the phase damping effect. We discuss the atom–field entanglement and statistical properties under the damping effect in view of numerical calculations. We use the Mandel parameter as a quantifier of the statistical properties of the field; moreover, we study the different effects of the collective parameters in the master equation on the dynamical behavior of the field statistical properties and the entanglement measured by the negativity. Finally, we explore the link between the entanglement and statistical properties in view of the numerical results during the time evolution.
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ISSN:1071-2836
1573-8760
DOI:10.1007/s10946-016-9563-y