Open AccessRESONANT SUBBAND-LANDAU-LEVEL COUPLING FOR HIGH-LYING SUBBANDS OF TWO-DIMENSIONAL ELECTRON GASES IN GaAs/AlGaAs HETEROJUNCTION
Author(s) -
Zhanghai Chen,
Hu Can-Ming,
Pulin Liu,
Guoliang Shi,
Xuechu Shen
Publication year - 1998
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.47.494
Subject(s) - landau quantization , heterojunction , condensed matter physics , physics , coupling (piping) , electron , exciton , magnetic field , quantum well , shubnikov–de haas effect , fermi gas , atomic physics , quantum oscillations , materials science , quantum mechanics , laser , metallurgy
The resonant subband-Landau-level coupling(RSLC) between the N=1 Landau level of the lowest subband and the N0 Landau level of the subbands with quantum index up to i5 of two-dimensional electron gases in GaAs/AlGaAs heterojunction was observed under relatively low magnetic field.Several intersubband energies were accurately determined. The experimental results were in good agreement with the self-consistent calculations including the depolarization shift and exciton-like effect corrections.The quantum index dependence of the level splitting due to the RSLC was discussed.