RESONANT MAGNETIC-FIELD EFFECT ON MAGNETOPOLARONS IN A GAAS ALGAAS QUANTUM-DOT AT FINITE-TEMPERATURE/

Authors
Citation
Kd. Zhu et al., RESONANT MAGNETIC-FIELD EFFECT ON MAGNETOPOLARONS IN A GAAS ALGAAS QUANTUM-DOT AT FINITE-TEMPERATURE/, Physics letters. A, 212(3), 1996, pp. 171-177
Citations number
27
Categorie Soggetti
Physics
Journal title
ISSN journal
03759601
Volume
212
Issue
3
Year of publication
1996
Pages
171 - 177
Database
ISI
SICI code
0375-9601(1996)212:3<171:RMEOMI>2.0.ZU;2-8
Abstract
It is shown theoretically that in the resonant magnetic field, the two cyclotron masses (m(c+) and m(c-)) in a GaAs/AlGaAs harmonic quantum dot are each split into two cyclotron masses. The upper branches of m( c+) and m(c-) are increasing functions of temperature, while the lower branches of m(c+) and m(c-) are slowly decreasing functions of temper ature. The results also show that the resonant magnetic fields are dep endent on the size of the quantum dots.