DC Electric Field Effects on the Electron Dynamics in Double Rectangular Quantum Dots
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| Format: | Artículo científico |
| Sprache: | en |
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Sociedade Brasileira de Física
2006
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| _version_ | 1876459143572750336 |
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| author | A. S. Camacho |
| author_facet | A. S. Camacho |
| contents | DC Electric Field Effects on the Electron Dynamics in Double Rectangular Quantum Dots A. S. Camacho H. Y. Ramirez L. C. Lew Yan Voon Física, Astronomía y Matemáticas DC bias Coherence Relaxation Coupled quantum dots The effect of a dc electric field on the temporal evolution of an electron in a double rectangular quantumdot is explored in this work. In the framework of the effective mass approximation, first-order scattering ratesfor interaction between confined electron-free electron and electron-longitudinal acoustic phonon at roomtemperature are calculated in the high tunneling regime, and used to evaluate the dynamics of the populationand coherence in the first three confined levels under a short ac electric field pulse. Small values of these ratesdependent upon the bias field make feasible the emission of coherent radiation at terahertz range. 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46436519 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_46436519 |
| institution | Redalyc |
| language | en |
| publishDate | 2006 |
| publisher | Sociedade Brasileira de Física |
| spellingShingle | DC Electric Field Effects on the Electron Dynamics in Double Rectangular Quantum Dots A. S. Camacho Física, Astronomía y Matemáticas DC bias Coherence Relaxation Coupled quantum dots DC Electric Field Effects on the Electron Dynamics in Double Rectangular Quantum Dots A. S. Camacho H. Y. Ramirez L. C. Lew Yan Voon Física, Astronomía y Matemáticas DC bias Coherence Relaxation Coupled quantum dots The effect of a dc electric field on the temporal evolution of an electron in a double rectangular quantumdot is explored in this work. In the framework of the effective mass approximation, first-order scattering ratesfor interaction between confined electron-free electron and electron-longitudinal acoustic phonon at roomtemperature are calculated in the high tunneling regime, and used to evaluate the dynamics of the populationand coherence in the first three confined levels under a short ac electric field pulse. Small values of these ratesdependent upon the bias field make feasible the emission of coherent radiation at terahertz range. 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46436519 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 | DC Electric Field Effects on the Electron Dynamics in Double Rectangular Quantum Dots |
| topic | Física, Astronomía y Matemáticas DC bias Coherence Relaxation Coupled quantum dots |
| url | https://www.redalyc.org/articulo.oa?id=46436519 |