Physical Review B, volume 60, issue 3, pages 1819-1829

Many-body pseudopotential theory of excitons in InP and CdSe quantum dots

A Franceschetti 1
H. Fu 1
H. Fu 1
L.W. Wang 1
Li Wang 1
A. Zunger 1
Alex Zunger 1
Publication typeJournal Article
Publication date1999-07-15
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor3.7
ISSN24699950, 24699969, 10980121, 1550235X
Abstract
We present a pseudopotential approach to the calculation of the excitonic spectrum of semiconductor quantum dots. Starting from a many-body expansion of the exciton wave functions in terms of single-substitution Slater determinants constructed from pseudopotential single-particle wave functions, our method permits an accurate and detailed treatment of the intraconfiguration electron-hole Coulomb and exchange interactions, while correlation effects can be included in a controlled fashion by allowing interconfiguration coupling. We calculate the exciton fine structure of InP and CdSe nanocrystals in the strong-confinement regime. We find a different size dependence for the electron-hole exchange interaction than previously assumed (i.e., ${R}^{\ensuremath{-}2}$ instead of ${R}^{\ensuremath{-}3})$. Our calculated exciton fine structure is compared with recent experimental results obtained by size-selective optical spectroscopies.

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Franceschetti A. et al. Many-body pseudopotential theory of excitons in InP and CdSe quantum dots // Physical Review B. 1999. Vol. 60. No. 3. pp. 1819-1829.
GOST all authors (up to 50) Copy
Franceschetti A., Fu H., Fu H., Wang L., Wang L., Zunger A., Zunger A. Many-body pseudopotential theory of excitons in InP and CdSe quantum dots // Physical Review B. 1999. Vol. 60. No. 3. pp. 1819-1829.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1103/physrevb.60.1819
UR - https://doi.org/10.1103/physrevb.60.1819
TI - Many-body pseudopotential theory of excitons in InP and CdSe quantum dots
T2 - Physical Review B
AU - Franceschetti, A
AU - Fu, H.
AU - Wang, L.W.
AU - Zunger, A.
AU - Fu, H.
AU - Wang, Li
AU - Zunger, Alex
PY - 1999
DA - 1999/07/15 00:00:00
PB - American Physical Society (APS)
SP - 1819-1829
IS - 3
VL - 60
SN - 2469-9950
SN - 2469-9969
SN - 1098-0121
SN - 1550-235X
ER -
BibTex |
Cite this
BibTex Copy
@article{1999_Franceschetti,
author = {A Franceschetti and H. Fu and L.W. Wang and A. Zunger and H. Fu and Li Wang and Alex Zunger},
title = {Many-body pseudopotential theory of excitons in InP and CdSe quantum dots},
journal = {Physical Review B},
year = {1999},
volume = {60},
publisher = {American Physical Society (APS)},
month = {jul},
url = {https://doi.org/10.1103/physrevb.60.1819},
number = {3},
pages = {1819--1829},
doi = {10.1103/physrevb.60.1819}
}
MLA
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MLA Copy
Franceschetti, A., et al. “Many-body pseudopotential theory of excitons in InP and CdSe quantum dots.” Physical Review B, vol. 60, no. 3, Jul. 1999, pp. 1819-1829. https://doi.org/10.1103/physrevb.60.1819.
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