| Revista: | Superficies y vacío |
| Base de datos: | PERIÓDICA |
| Número de sistema: | 000404754 |
| ISSN: | 1665-3521 |
| Autors: | Atenco Analco, N1 Pérez Rodríguez, F1 Makarov, N.M2 |
| Institucions: | 1Benemérita Universidad Autónoma de Puebla, Instituto de Física, Puebla. México 2Benemérita Universidad Autónoma de Puebla, Instituto de Ciencias, Puebla. México |
| Any: | 2003 |
| Període: | Sep |
| Volum: | 16 |
| Número: | 3 |
| Paginació: | 7-11 |
| País: | México |
| Idioma: | Inglés |
| Tipo de documento: | Artículo |
| Enfoque: | Analítico |
| Resumen en inglés | The relaxation frequency and shift of exciton levels for a quantum well with rough surfaces are calculated in the adiabatic regime when the correlation radius of roughness is much larger than exciton radius. Unlike the case of a thin film, in a quantum well such characteristics of exciton resonances are attributed to the individual interaction of the electron and hole with the irregular interfaces. With applying the self-consistent Green’s function method, we find the dependencies of the resonant broadening and shift upon the parameters of the quantum well and its disordered interfaces. Thanks to the selfconsistency, namely to the action of the relaxation frequency and shift on themselves, exciton resonances can be either sharp and asymmetric, or broad and symmetric even in the adiabatic regime. However, within this regime and for realistic values of the correlation radius, the resonances turn out to be typically broad and symmetric |
| Disciplines | Física y astronomía, Ingeniería |
| Paraules clau: | Física de materia condensada, Ingeniería de materiales, Pozos cuánticos, Estado sólido, Excitones, Películas delgadas, Propiedades ópticas, Propagación de ondas |
| Keyword: | Physics and astronomy, Engineering, Condensed matter physics, Materials engineering, Quantum wells, Solid state, Excitons, Thin films, Optical properties, Wave propagation |
| Text complet: | Texto completo (Ver PDF) |
