Overview

We present an overview of the theoretical background and experimental re­ sults in the rapidly developing field of semiconductor quantum dots - systems 8 6 of dimensions as small as 10- -10- m (quasi-zero-dimensional) that contain a small and controllable number (1-1000) of electrons. The electronic structure of quantum dots, including the energy quan­ tization of the single-particle states (due to spatial confinement) and the evolution of these (Fock-Darwin) states in an increasing external magnetic field, is described. The properties of many-electron systems confined in a dot are also studied. This includes the separation of the center-of-mass mo­ tion for the parabolic confining potential (and hence the insensitivity of the transitions under far infrared radiation to the Coulomb interactions and the number of particles - the generalized Kohn theorem) and the effects due to Coulomb interactions (formation of the incompressible magic states at high magnetic fields and their relation to composite jermions), and finally the spin-orbit interactions. In addition, the excitonic properties of quantum dots are discussed, including the energy levels and the spectral function of a single exciton, the relaxation of confined carriers, the metastable states and their effect on the photoluminescence spectrum, the interaction of an exciton with carriers, and exciton condensation. The theoretical part of this work, which is based largely on original re­ sults obtained by the authors, has been supplemented with descriptions of various methods of creating quantum-dot structures.

Full Product Details

Author:   Lucjan Jacak ,  Pawel Hawrylak ,  Arkadiusz Wojs
Publisher:   Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
Imprint:   Springer-Verlag Berlin and Heidelberg GmbH & Co. K
Edition:   Softcover reprint of the original 1st ed. 1998
Dimensions:   Width: 15.50cm , Height: 1.00cm , Length: 23.50cm
Weight:   0.295kg
ISBN:  

9783642720048

ISBN 10:   3642720048
Pages:   176
Publication Date:   04 June 2012
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
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Table of Contents

1. Introduction.- 2. Creation and Structure of Quantum Dots.- 3. Single-Particle States of Quantum Dots.- 4. Properties of an Interacting System.- 5. Intraband Optical Transitions.- 6. Interband Optical Transitions.- 7. Capacitance Spectroscopy.- 8. Description of the Properties of Self-Assembled Quantum Dots Within the Band-Structure Model.- 9. Description of a Many-Electron Quantum Dot with the Inclusion of the Spin-Orbit Interaction.- 10. Description of an Exciton in a Quantum Dot Within the Effective-Mass Approximation.- References.

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