Abstract
In this work, an analysis of the Jaynes–Cummings Model is conducted in the parameter spaces, composed of Roughness, Concurrence/Linear Entropy and Visibility. The analysis was carried out without including the effects of the environment and with the inclusion of a dispersive environment. As Roughness measures the state’s degree of non-classicality, its inclusion in the analysis allows to identify points in the dynamics that are not usually perceived by traditional analysis. It is observed that the parameter space is almost completely occupied when the dispersive term is small, and is concentrated in the region of less roughness and less purity as the dispersive coefficient is increased.
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(software application or custom code) An open-source code QUTIP was used.
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The authors gratefully acknowledge the support of the Brazilian Agency Fundação de Amparo à Pesquisa do Estado de Minas Gerais (FAPEMIG) through Grant No. APQ-01366-16.
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Reis, M., Oliveira, A.C. Relation between the roughness, linear entropy and visibility of a quantum state, the Jaynes–Cummings model. J Comput Electron 20, 2189–2198 (2021). https://doi.org/10.1007/s10825-021-01761-0
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DOI: https://doi.org/10.1007/s10825-021-01761-0