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 SM ISO690:2012KOROVAY, 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 |
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| Numărul 5(134) / 2022 / ISSN 1063-7761 | ||||||
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| DOI:https://doi.org/10.1134/S1063776122030062 | ||||||
| Pag. 536-555 | ||||||
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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. |
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| 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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