Artículo
Discontinuities in the level density of small quantum dots under strong magnetic fields
Autor/es | González, Augusto
Capote, Roberto |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2002 |
Fecha de depósito | 2017-05-08 |
Publicado en |
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Resumen | Exact diagonalization studies of the level density in a six-electron quantum dot under magnetic fields around 7 T ("filling factor" around 1/2) are reported. In any spin-polarization channel, two regimes are visible in the ... Exact diagonalization studies of the level density in a six-electron quantum dot under magnetic fields around 7 T ("filling factor" around 1/2) are reported. In any spin-polarization channel, two regimes are visible in the dot excitation spectrum: one corresponding to interacting quasiparticles (i.e., composite fermions) for excitation energies below 0.4 meV, and a second one for energies above 0.4 meV, in which the level density (exponentially) increases at the same rate as in the noninteracting composite-fermion model. |
Cita | González, A. y Capote, R. (2002). Discontinuities in the level density of small quantum dots under strong magnetic fields. Physical Review B - Condensed Matter and Materials Physics, 66 (11), 1133111-1133113. |
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