Dispersion Relation for a Four-Level Atom with an Equidistant Energy Spectrum at a High Excitation Level

Korovay Olesya V.

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KOROVAY, Olesya V.. Dispersion Relation for a Four-Level Atom with an Equidistant Energy Spectrum at a High Excitation Level. In: Journal of Experimental and Theoretical Physics, 2022, nr. 5(134), pp. 536-555. ISSN 1063-7761. DOI: https://doi.org/10.1134/S1063776122030062

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Journal of Experimental and Theoretical Physics

Numărul 5(134) / 2022 / ISSN 1063-7761

Dispersion Relation for a Four-Level Atom with an Equidistant Energy Spectrum at a High Excitation Level

DOI:https://doi.org/10.1134/S1063776122030062

Pag. 536-555

Korovay Olesya V.

T.G. Shevchenko State University of Pridnestrovie, Tiraspol

Disponibil în IBN: 4 iulie 2022

Rezumat

The dispersion relation is obtained for a system of four-level atoms with an equidistant energy spectrum, which interact with resonant laser radiation, with account for three sequential one-photon optically allowed transitions, two-photon transitions, as well as a direct three-photon transition. It is shown that the dispersion relation consists of four polariton branches. The divergence and convergence of the dispersion relation branches, their intersection, and a self-consistent change in the binding force of photons with atoms are predicted using the fixed photon concentration approximation.

Cuvinte-cheie
Binding forces, dispersion relations, Energy spectrum, Four-level atoms, High excitation levels, Optically allowed transition, Photon transition, Polaritons, Three-photon, Two-photon transitions

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