Deutsch
Göger, G. and Betz, M. and Leitenstorfer, A. and Bichler, Max and Wegscheider, Werner and Abstreiter, Gerhard (2000) Ultrafast Optical Spectroscopy of Large-Momentum Excitons in GaAs. Physical Review Letters 84 (25), pp. 5812-5815.
![[img]](http://epub.uni-regensburg.de/style/images/fileicons/application_pdf.png) | PDF - Repository staff only - Requires a PDF viewer such as GSview, Xpdf or Adobe Acrobat Reader 93Kb |
Abstract
Highly energetic excitons with wave vectors much larger than that of an absorbed photon are excited in thin GaAs films. We observe propagation beats between three polariton modes up to 300 meV above the absorption edge employing femtosecond transmission spectroscopy. The dispersion relations of the coherent excitations are measured. Ultrafast exciton damping via scattering with nonequilibrium carriers and with phonons is investigated. The dynamics is found to deviate strongly from the relaxation of free carriers. Theoretical simulations are in quantitative agreement with the data.
| Item Type: | Article | ||||
|---|---|---|---|---|---|
| Institutions: | Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Werner Wegscheider | ||||
| Identification Number: |
| ||||
| Related URLs: |
| ||||
| Classification: |
| ||||
| Subjects: | 500 Science > 530 Physics | ||||
| Status: | Published | ||||
| Refereed: | Unknown | ||||
| Created at the University of Regensburg: | Unknown | ||||
| Owner: | Martin Kaiser | ||||
| Deposited On: | 30 Nov 2009 14:27 | ||||
| Last Modified: | 21 Jul 2011 00:09 | ||||
| Item ID: | 11049 |
- ASCII Citation
- BibTeX
- Dublin Core
- EndNote
- HTML Citation
- METS
- OAI-ORE Resource Map (Atom Format)
- OAI-ORE Resource Map (RDF Format)
- RDF+N-Triples
- RDF+N3
- RDF+XML
- Refer
- Reference Manager
- Simple Metadata
- XML
- xMetaDissPlus
Literature of the same author
in this repositoryat BASEat Google Scholarat Scirusat publisher (via DOI)
Bookmark
Citeulike
Connotea
Del.icio.us
Digg
Facebook