Hot-phonon-assisted resonant tunneling in a quantum well
| Autor: | F. F. Ouali, F.W. Sheard, P. Král |
|---|---|
| Rok vydání: | 1998 |
| Předmět: |
Physics
education.field_of_study Condensed matter physics Phonon Population Resonant-tunneling diode Non-equilibrium thermodynamics Electron Condensed Matter::Mesoscopic Systems and Quantum Hall Effect Impurity Condensed Matter::Superconductivity Condensed Matter::Strongly Correlated Electrons Atomic physics education Quantum well Quantum tunnelling |
| Zdroj: | Physical Review B. 57:15428-15438 |
| ISSN: | 1095-3795 0163-1829 |
| DOI: | 10.1103/physrevb.57.15428 |
| Popis: | We theoretically investigate dc electron resonant tunneling through an impurity state in a quantum well assisted by hot acoustical phonons. Numerical results for the tunneling current, obtained by nonequilibrium Green functions, reflect the hot-phonon-induced change in the spectrum and population of the impurity state. The induced change of the $I\ensuremath{-}V$ characteristics has a typical two-peak form, which for larger populations of the level becomes distorted by increased intralevel phonon emissions. A qualitative agreement with experiments is obtained. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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