Influence of acoustic phonons on dephasing of free excitons in quantum wells

In-Keun Oh; Jai Singh

doi:10.1006/spmi.2002.1019

Influence of acoustic phonons on dephasing of free excitons in quantum wells

In-Keun Oh, Jai Singh

CDU College of Engineering, IT and Environment

Research output: Contribution to journal › Comment/debate

Abstract

A theory of the dephasing rate of quasi-2D free excitons due to acoustic phonon interaction at low exciton densities is presented. Both deformation potential and piezoelectric couplings are considered for the exciton-phonon interaction in quantum wells. Using the derived interaction Hamiltonian obtained recently by us, exciton linewidth and dephasing rate are calculated as a function of the exciton density, exciton temperature, exciton momentum and lattice temperature. (C) 2002 Elsevier Science Ltd. All rights reserved.

Original language	English
Pages (from-to)	287-295
Number of pages	9
Journal	Superlattices and Microstructures
Volume	30
Issue number	6
DOIs	https://doi.org/10.1006/spmi.2002.1019
Publication status	Published - 2001

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10.1006/spmi.2002.1019

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title = "Influence of acoustic phonons on dephasing of free excitons in quantum wells",

abstract = "A theory of the dephasing rate of quasi-2D free excitons due to acoustic phonon interaction at low exciton densities is presented. Both deformation potential and piezoelectric couplings are considered for the exciton-phonon interaction in quantum wells. Using the derived interaction Hamiltonian obtained recently by us, exciton linewidth and dephasing rate are calculated as a function of the exciton density, exciton temperature, exciton momentum and lattice temperature. (C) 2002 Elsevier Science Ltd. All rights reserved.",

keywords = "exciton-acoustic phonon interaction, quantum wells, linewidths, scattering, relaxation, photoluminescence, localization",

author = "In-Keun Oh and Jai Singh",

year = "2001",

doi = "10.1006/spmi.2002.1019",

language = "English",

volume = "30",

pages = "287--295",

journal = "Superlattices and Microstructures",

issn = "0749-6036",

publisher = "Academic Press Inc.",

number = "6",

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TY - JOUR

T1 - Influence of acoustic phonons on dephasing of free excitons in quantum wells

AU - Oh, In-Keun

AU - Singh, Jai

PY - 2001

Y1 - 2001

N2 - A theory of the dephasing rate of quasi-2D free excitons due to acoustic phonon interaction at low exciton densities is presented. Both deformation potential and piezoelectric couplings are considered for the exciton-phonon interaction in quantum wells. Using the derived interaction Hamiltonian obtained recently by us, exciton linewidth and dephasing rate are calculated as a function of the exciton density, exciton temperature, exciton momentum and lattice temperature. (C) 2002 Elsevier Science Ltd. All rights reserved.

AB - A theory of the dephasing rate of quasi-2D free excitons due to acoustic phonon interaction at low exciton densities is presented. Both deformation potential and piezoelectric couplings are considered for the exciton-phonon interaction in quantum wells. Using the derived interaction Hamiltonian obtained recently by us, exciton linewidth and dephasing rate are calculated as a function of the exciton density, exciton temperature, exciton momentum and lattice temperature. (C) 2002 Elsevier Science Ltd. All rights reserved.

KW - exciton-acoustic phonon interaction

KW - quantum wells

KW - linewidths

KW - scattering

KW - relaxation

KW - photoluminescence

KW - localization

U2 - 10.1006/spmi.2002.1019

DO - 10.1006/spmi.2002.1019

M3 - Comment/debate

VL - 30

SP - 287

EP - 295

JO - Superlattices and Microstructures

JF - Superlattices and Microstructures

SN - 0749-6036

IS - 6

ER -

Influence of acoustic phonons on dephasing of free excitons in quantum wells

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