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SM ISO690:2012 JIN, Lu Ling, EVERS, Jorg, MACOVEI, Mihai. Collective dynamics in a laser-pumped mixture of two atomic ensembles. In: Journal of the Optical Society of America B: Optical Physics, 2017, nr. 6(34), pp. 1280-1285. ISSN 0740-3224. DOI: https://doi.org/10.1364/JOSAB.34.001280 |
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Journal of the Optical Society of America B: Optical Physics | ||||||
Numărul 6(34) / 2017 / ISSN 0740-3224 /ISSNe 1520-8540 | ||||||
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DOI:https://doi.org/10.1364/JOSAB.34.001280 | ||||||
Pag. 1280-1285 | ||||||
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We investigate the quantum dynamics of an atomic mixture composed of two multi-atom ensembles. Each ensemble is driven separately by a coherent laser field, respectively, and dampens via the interactions with the environmental vacuum electromagnetic field reservoir. We find that, due to the photon exchange among the two components, long-time excitation oscillations appear, which may be significantly longer than the inverse lifetime of a single emitter. Furthermore, few-atom "jumps" to the excited state occur as a function of the parameter characterizing the inter-component interactions around a certain working point. |
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Cuvinte-cheie atoms, Electromagnetic fields, mixtures, Pumping (laser), Quantum theory |
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