Coherence of Elementary Excitations in Disordered GaAs/AlGaAs Superlattices
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| Formato: | Artículo científico |
| Lenguaje: | en |
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Sociedade Brasileira de Física
2006
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| _version_ | 1876464849873010688 |
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| author | Yu. A. Pusep |
| author_facet | Yu. A. Pusep |
| contents | Coherence of Elementary Excitations in Disordered GaAs/AlGaAs Superlattices Yu. A. Pusep Física, Astronomía y Matemáticas Coherence Localization Superlattices The localization properties of the single-particle and collective electron excitations were investigated in theintentionally disordered GaAs=AlGaAs superlattices by weak field magnetoresistance and Raman scattering.The localization length of the individual electron was found to be considerably larger than that one of thecollective excitations. This suggests that the disorder has weaker effect on the electrons than on their collectivemotion and that the interaction which gives rise to the collective effects increases localization. 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46436527 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3B Vol.36 |
| format | Artículo científico |
| id | redalyc_46436527 |
| institution | Redalyc |
| language | en |
| publishDate | 2006 |
| publisher | Sociedade Brasileira de Física |
| spellingShingle | Coherence of Elementary Excitations in Disordered GaAs/AlGaAs Superlattices Yu. A. Pusep Física, Astronomía y Matemáticas Coherence Localization Superlattices Coherence of Elementary Excitations in Disordered GaAs/AlGaAs Superlattices Yu. A. Pusep Física, Astronomía y Matemáticas Coherence Localization Superlattices The localization properties of the single-particle and collective electron excitations were investigated in theintentionally disordered GaAs=AlGaAs superlattices by weak field magnetoresistance and Raman scattering.The localization length of the individual electron was found to be considerably larger than that one of thecollective excitations. This suggests that the disorder has weaker effect on the electrons than on their collectivemotion and that the interaction which gives rise to the collective effects increases localization. 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46436527 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3B Vol.36 |
| title | Coherence of Elementary Excitations in Disordered GaAs/AlGaAs Superlattices |
| topic | Física, Astronomía y Matemáticas Coherence Localization Superlattices |
| url | https://www.redalyc.org/articulo.oa?id=46436527 |