| Journal: | Brazilian journal of physics |
| Database: | PERIÓDICA |
| System number: | 000310489 |
| ISSN: | 0103-9733 |
| Authors: | Dacal, Luis C. O1 Silva, Erasmo A. de Andrada e2 |
| Institutions: | 1Instituto de Estudos Avancados, Sao Jose dos Campos, Sao Paulo. Brasil 2Instituto Nacional de Pesquisas Espaciais, Sao Jose dos Campos, Sao Paulo. Brasil |
| Year: | 2006 |
| Season: | Sep |
| Volumen: | 36 |
| Number: | 3B |
| Pages: | 910-912 |
| Country: | Brasil |
| Language: | Inglés |
| Document type: | Artículo |
| Approach: | Experimental |
| English abstract | We calculate the conductance of three-dimensional semiconductor quantum wires considering different effective masses in the contacts and in the channel. We show that, with respect to the case with equal masses in the channel and in the contacts, the amplitude of the conductance oscillations increases if the electron effective mass in the channel is larger and decreases if it is smaller than in the contacts. Effects on the density of probability are also shown. These effects of the effective mass discontinuity are explained in terms of kinetic confinement and transmission coefficient modulation |
| Disciplines: | Física y astronomía |
| Keyword: | Física de materia condensada, Hilos cuánticos, Transporte balístico, Discontinuidad efectiva de masa |
| Keyword: | Physics and astronomy, Condensed matter physics, Quantum wires, Ballistic transport, Effective mass discontinuity |
| Full text: | Texto completo (Ver HTML) |
