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Title
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Phonon-induced features in optical spectra of quantum dots : breakdown of the adiabatic approximation
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Author
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Abstract
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| A theory of photoluminescence and Raman scattering in semiconductor quantum dots is developed, which relies on two key ingredients. First, it takes into account non-adiabaticity of the exciton-phonon system. Second, it includes a multimode dielectric model of LO-phonons and of the electron-phonon interaction in confined systems. Our approach is applied to calculate the optical spectra of several quanturn-dot structures: ensembles of spherical CdSe, CdSexS1-x and PbS quantum dots, self-assembled InAs/GaAs and CdSe/ZnSe quantum dots, brick-shaped InAs/GaAs quantum dots created by local anodic oxidation using the atomic force microscope. |
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Language
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English
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Source (book)
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4th International Conference on Excitonic Processes in Condensed Matter, (EXCON2000), Aug. 22-25, 2000, Osaka City Univ.V, Osaka Japan
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Publication
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Singapore
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World Scientific
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2001
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ISBN
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981-02-4588-2
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Volume/pages
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(2001)
, p. 11-15
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ISI
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000229424700003
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