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Trapped Ion Quantum Computing

Quantum coherence, degree of mixedness and entropy squeezing of a two-level atom with the presence of the phase-noisy laser

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Authors: K. Berrada, M. Algarni, S. Abdel-Khalek

Year

2024

Paper ID

11557

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

121

Citations

0

Abstract

In this paper, we quantitatively examine the dynamics of quantum resources, such as quantum coherence, degree of mixedness, fidelity, and the atomic entropy squeezing, in a quantum system of a two-level atom (TLA) driven by a phase noise laser (PNL) within the context of non-Markovian dynamics. The [Formula: see text] norm is used to quantify coherence, linear entropy to measure the degree of TLA mixedness, and entropy to detect the atomic squeezing. We demonstrate how these quantum resources can be controlled through a suitable selection of model parameters. Furthermore, we provide the optimal conditions required to manipulate these quantum resources based on changes in the damping coupling. Finally, we discuss the relationships among the quantum resources in the present quantum model.

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  • In this paper, we quantitatively examine the dynamics of quantum resources, such as quantum coherence, degree of mixedness, fidelity, and the atomic entropy squeezing, in a...

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References & Citation Signals

[1] DOI https://doi.org/10.1142/s0217732324502031 [2] Publisher https://doi.org/10.1142/s0217732324502031

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