Open AccessMagneto‐Exciton in Single and Coupled Type II Quantum Dots
Author(s) -
Janssens K.L.,
Partoens B.,
Peeters F.M.
Publication year - 2002
Publication title -
physica status solidi (a)
Language(s) - English
Resource type - Journals
eISSN - 1521-396X
pISSN - 0031-8965
DOI - 10.1002/1521-396x(200204)190:2<571::aid-pssa571>3.0.co;2-k
Subject(s) - quantum dot , magneto , exciton , condensed matter physics , type (biology) , physics , biexciton , quantum mechanics , geology , paleontology , power (physics)
We studied the exciton energy in a type II quantum disk as a function of the magnetic field, disk radius R and height d . We found angular momentum transitions for dots with d ≫ 2 R . Application of an electric field perpendicular to the disk showed a non‐linear Stark shift. In the case of three vertically coupled dots angular momentum transitions were found for small interdot distances which disappeared with increasing interdot distance.