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Resonant Raman scattering of quantum dots
Steinebach, Christoph, Schüller, Christian und Heitmann, Detlef (1999) Resonant Raman scattering of quantum dots. Physical Review B (PRB) 59 (15), S. 10240-10245.Veröffentlichungsdatum dieses Volltextes: 25 Sep 2009 07:42
Artikel
DOI zum Zitieren dieses Dokuments: 10.5283/epub.9571
Zusammenfassung
We theoretically investigate the resonant Raman scattering of GaAs quantum dots. The electron system is treated within the time-dependent local-density approximation and the cross section is calculated by including valence-band states as intermediate states in the scattering process. We show that, besides the strongly collective charge-density excitations and spin-density excitations, which ...
We theoretically investigate the resonant Raman scattering of GaAs quantum dots. The electron system is treated within the time-dependent local-density approximation and the cross section is calculated by including valence-band states as intermediate states in the scattering process. We show that, besides the strongly collective charge-density excitations and spin-density excitations, which dominate the spectra in the nonresonant case, additional modes close to the single-particle level spacings become resonant for certain laser energies in polarized and depolarized geometry. However, these modes are also subjected to a small collective shift and occur at slightly different energies in the two polarization geometries.
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| Dokumentenart | Artikel | ||||
| Titel eines Journals oder einer Zeitschrift | Physical Review B (PRB) | ||||
| Verlag: | American Physical Society | ||||
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| Band: | 59 | ||||
| Nummer des Zeitschriftenheftes oder des Kapitels: | 15 | ||||
| Seitenbereich: | S. 10240-10245 | ||||
| Datum | 15 April 1999 | ||||
| Institutionen | Physik > Institut für Experimentelle und Angewandte Physik > Lehrstuhl Professor Lupton > Arbeitsgruppe Christian Schüller | ||||
| Identifikationsnummer |
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| Klassifikation |
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| Dewey-Dezimal-Klassifikation | 500 Naturwissenschaften und Mathematik > 530 Physik | ||||
| Status | Veröffentlicht | ||||
| Begutachtet | Unbekannt / Keine Angabe | ||||
| An der Universität Regensburg entstanden | Unbekannt / Keine Angabe | ||||
| Dokumenten-ID | 9571 |
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