Magnetopolaron Effects on the Intradonor 1s-2p+ Transition Energies in a GaAs - AlGaAs Double Quantum Well
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| Format: | Artículo científico |
| Sprache: | en |
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Sociedade Brasileira de Física
2006
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| author | Paulo C. M. Machado |
| author_facet | Paulo C. M. Machado |
| contents | Magnetopolaron Effects on the Intradonor 1s-2p+ Transition Energies in a GaAs - AlGaAs Double Quantum Well Paulo C. M. Machado F. A. P. Osório A. N. Borges Física, Astronomía y Matemáticas GaAs Intradonor 1s 2p+ transition Magnetic field AlGaAs Double Quantum Well In this work we present a calculation of the intradonor 1s-2p+ transition energies for an impurity donor presentin a GaAs-AlGaAs Double Quantum Well structure as a function of an applied external magnetic field. In ourcalculation the impurity energy levels were obtained from a variational method by choosing a Gaussian trialwave function, and the energy corrections due to the polaronic effect were included by second order perturbationtheory IWBPT as modified by Cohn, Larsen and Lax. We have considered only the GaAs bulk LO phonon inthe electron-phonon coupling. A very good agreement between the theoretical and experimental results for aDQW consisting of two 100 °A well widths separated by a 100 °A potential barrier width was obtained. 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46436332 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.2A Vol.36 |
| format | Artículo científico |
| id | redalyc_46436332 |
| institution | Redalyc |
| language | en |
| publishDate | 2006 |
| publisher | Sociedade Brasileira de Física |
| spellingShingle | Magnetopolaron Effects on the Intradonor 1s-2p+ Transition Energies in a GaAs - AlGaAs Double Quantum Well Paulo C. M. Machado Física, Astronomía y Matemáticas GaAs Intradonor 1s 2p+ transition Magnetic field AlGaAs Double Quantum Well Magnetopolaron Effects on the Intradonor 1s-2p+ Transition Energies in a GaAs - AlGaAs Double Quantum Well Paulo C. M. Machado F. A. P. Osório A. N. Borges Física, Astronomía y Matemáticas GaAs Intradonor 1s 2p+ transition Magnetic field AlGaAs Double Quantum Well In this work we present a calculation of the intradonor 1s-2p+ transition energies for an impurity donor presentin a GaAs-AlGaAs Double Quantum Well structure as a function of an applied external magnetic field. In ourcalculation the impurity energy levels were obtained from a variational method by choosing a Gaussian trialwave function, and the energy corrections due to the polaronic effect were included by second order perturbationtheory IWBPT as modified by Cohn, Larsen and Lax. We have considered only the GaAs bulk LO phonon inthe electron-phonon coupling. A very good agreement between the theoretical and experimental results for aDQW consisting of two 100 °A well widths separated by a 100 °A potential barrier width was obtained. 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46436332 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.2A Vol.36 |
| title | Magnetopolaron Effects on the Intradonor 1s-2p+ Transition Energies in a GaAs - AlGaAs Double Quantum Well |
| topic | Física, Astronomía y Matemáticas GaAs Intradonor 1s 2p+ transition Magnetic field AlGaAs Double Quantum Well |
| url | https://www.redalyc.org/articulo.oa?id=46436332 |