Theory of photoluminescence from modulation-doped self-assembled quantum dots in a magnetic field

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DOI	Resolve DOI: https://doi.org/10.1103/PhysRevB.55.13066
Author	Search for: Wojs, Arkadiusz¹; Search for: Hawrylak, Pawel¹
Name affiliation	National Research Council of Canada. NRC Institute for Microstructural Sciences
Format	Text, Article
Journal title	Physical Review. B, Condensed Matter
ISSN	0163-1829 1095-3795
Volume	55
Issue	19
Pages	13066–13071
Abstract	We study the effect of free carriers on photoluminescence from modulation-doped self-assembled quantum dots. Exact diagonalization studies of up to N=8 electrons and a single exciton in InAs self-assembled dots, and a Hartree-Fock calculations for up to N=20 electrons, are carried out. The total spin and total angular momentum are found to oscillate with the number of electrons. The photoluminescence spectrum is calculated and the band-gap renormalization in zero-dimensional systems is discussed. The tendency of electrons in degenerate, partially filled electronic shells to maximize the total spin leads to a strong dependence of the spectrum on the number of electrons N, the magnetic field B, and the polarization of light.
Publication date	1997-05
Publisher	American Physical Society
Language	English
Peer reviewed	Yes
NPARC number	23002965
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Record identifier	5a5c5774-c7d3-42cb-a140-e1130ca91869
Record created	2018-03-29
Record modified	2020-05-30