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Author : Andrew G. A. Huibers
Publisher :
ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.:/5 (777 download)
Download or read book Electron Transport and Dephasing in Semiconductor Quantum Dots written by Andrew G. A. Huibers and published by . This book was released on 1999 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Y. Masumoto
Publisher : Springer Science & Business Media
ISBN 13 : 3662050013
Total Pages : 500 pages
Book Rating : 4.6/5 (62 download)
Download or read book Semiconductor Quantum Dots written by Y. Masumoto and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiconductor quantum dots represent one of the fields of solid state physics that have experienced the greatest progress in the last decade. Recent years have witnessed the discovery of many striking new aspects of the optical response and electronic transport phenomena. This book surveys this progress in the physics, optical spectroscopy and application-oriented research of semiconductor quantum dots. It focuses especially on excitons, multi-excitons, their dynamical relaxation behaviour and their interactions with the surroundings of a semiconductor quantum dot. Recent developments in fabrication techniques are reviewed and potential applications discussed. This book will serve not only as an introductory textbook for graduate students but also as a concise guide for active researchers.
Author : Alexander Tartakovskii
Publisher : Cambridge University Press
ISBN 13 : 1107012589
Total Pages : 377 pages
Book Rating : 4.1/5 (7 download)
Download or read book Quantum Dots written by Alexander Tartakovskii and published by Cambridge University Press. This book was released on 2012-07-19 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive review of cutting-edge solid state research, focusing on quantum dot nanostructures, for graduate students and researchers.
Author : Jonathan P. Bird
Publisher : Springer Science & Business Media
ISBN 13 : 1461504376
Total Pages : 481 pages
Book Rating : 4.4/5 (615 download)
Download or read book Electron Transport in Quantum Dots written by Jonathan P. Bird and published by Springer Science & Business Media. This book was released on 2013-11-27 with total page 481 pages. Available in PDF, EPUB and Kindle. Book excerpt: When I was contacted by Kluwer Academic Publishers in the Fall of 200 I, inviting me to edit a volume of papers on the issue of electron transport in quantum dots, I was excited by what I saw as an ideal opportunity to provide an overview of a field of research that has made significant contributions in recent years, both to our understanding of fundamental physics, and to the development of novel nanoelectronic technologies. The need for such a volume seemed to be made more pressing by the fact that few comprehensive reviews of this topic have appeared in the literature, in spite of the vast activity in this area over the course of the last decade or so. With this motivation, I set out to try to compile a volume that would fairly reflect the wide range of opinions that has emerged in the study of electron transport in quantum dots. Indeed, there has been no effort on my part to ensure any consistency between the different chapters, since I would prefer that this volume instead serve as a useful forum for the debate of critical issues in this still developing field. In this matter, I have been assisted greatly by the excellent series of articles provided by the different authors, who are widely recognized as some of the leaders in this vital area of research.
Author : Kai Xi Wang
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (126 download)
Download or read book Transport and Decoherence Phenomena in Quantum Dots written by Kai Xi Wang and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The problem of a few electronic level coupling to an environmental heat bath, such as in quantum dots (QDs), is well-known in modern quantum physics. These systems have been widely studied as they can dictate the dephasing properties in many practical opto-electronic devices. In this thesis we focus on the electron-phonon (quantized lattice vibrations) coupling in QDs that are embedded within semiconductor nanowires. For interband optical transitions, the electron-phonon interactions are treated using a cumulant expansion approach which includes the non-Markovian dynamics. Both the longitudinal optical (LO) and longitudinal acoustic (LA) phonons are included, and structural variations of the QDs are investigated, which, typically the LO phonons and structural asymmetry have been neglected in the literature. We find that the linewidth can have variations on three orders of magnitude when changing the QD geometry due to LO phonon interactions, which obviously has significant implications in mitigating phonon-induced dephasing. Comparison to experimental results is shown for validation of the theoretical model. Finally, we elucidate these effects for single photon emitters composed of different materials. In the intersublevel regime, we study the electron transport dynamics in a quantum dot cascade laser (QDCL), which is a promising candidate as the semiconductor gain medium for THz lasing. The quantum kinetics are included by means of an intuitive and accurate density matrix approach, valid for weak to intermediate e-phonon interaction strength. We find that at low temperatures, the LA phonons can help to inject electrons into the upper lasing state. We believe these findings should be considered and utilized in future opto-electronic device designs.
Author : Wilfred Gerard van der Wiel
Publisher : Delft University Press
ISBN 13 : 9789040722707
Total Pages : 176 pages
Book Rating : 4.7/5 (227 download)
Download or read book Electron Transport and Coherence in Semiconductor Quantum Dots and Rings written by Wilfred Gerard van der Wiel and published by Delft University Press. This book was released on 2001-01-01 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jonathan P. Bird
Publisher :
ISBN 13 : 9781461504382
Total Pages : 488 pages
Book Rating : 4.5/5 (43 download)
Download or read book Electron Transport in Quantum Dots written by Jonathan P. Bird and published by . This book was released on 2014-09-01 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Martin J. A. Schütz
Publisher : Springer
ISBN 13 : 3319485598
Total Pages : 214 pages
Book Rating : 4.3/5 (194 download)
Download or read book Quantum Dots for Quantum Information Processing: Controlling and Exploiting the Quantum Dot Environment written by Martin J. A. Schütz and published by Springer. This book was released on 2016-11-15 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis offers a comprehensive introduction to surface acoustic waves in the quantum regime. It addresses two of the most significant technological challenges in developing a scalable quantum information processor based on spins in quantum dots: (i) decoherence of the electronic spin qubit due to the surrounding nuclear spin bath, and (ii) long-range spin-spin coupling between remote qubits. Electron spins confined in quantum dots (QDs) are among the leading contenders for implementing quantum information processing. To this end, the author pursues novel strategies that turn the unavoidable coupling to the solid-state environment (in particular, nuclear spins and phonons) into a valuable asset rather than a liability.
Author : Dieter Bimberg
Publisher : Springer Science & Business Media
ISBN 13 : 3540778993
Total Pages : 369 pages
Book Rating : 4.5/5 (47 download)
Download or read book Semiconductor Nanostructures written by Dieter Bimberg and published by Springer Science & Business Media. This book was released on 2008-06-03 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reducing the size of a coherently grown semiconductor cluster in all three directions of space to a value below the de Broglie wavelength of a charge carrier leads to complete quantization of the energy levels, density of states, etc. Such “quantum dots” are more similar to giant atoms in a dielectric cage than to classical solids or semiconductors showing a dispersion of energy as a function of wavevector. Their electronic and optical properties depend strongly on their size and shape, i.e. on their geometry. By designing the geometry by controlling the growth of QDs, absolutely novel possibilities for material design leading to novel devices are opened. This multiauthor book written by world-wide recognized leaders of their particular fields and edited by the recipient of the Max-Born Award and Medal 2006 Professor Dieter Bimberg reports on the state of the art of the growing of quantum dots, the theory of self-organised growth, the theory of electronic and excitonic states, optical properties and transport in a variety of materials. It covers the subject from the early work beginning of the 1990s up to 2006. The topics addressed in the book are the focus of research in all leading semiconductor and optoelectronic device laboratories of the world.
Author : Wilfried Schäfer
Publisher : Springer Science & Business Media
ISBN 13 : 3662046636
Total Pages : 498 pages
Book Rating : 4.6/5 (62 download)
Download or read book Semiconductor Optics and Transport Phenomena written by Wilfried Schäfer and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt: Well-balanced and up-to-date introduction to the field of semiconductor optics, including transport phenomena in semiconductors. Starting with the theoretical fundamentals of this field the book develops, assuming a basic knowledge of solid-state physics. The application areas of the theory covered include semiconductor lasers, detectors, electro-optic modulators, single-electron transistors, microcavities and double-barrier resonant tunneling diodes. One hundred problems with hints for solution help the readers to deepen their knowledge.
Author : Ladislaus B nyai
Publisher : World Scientific
ISBN 13 : 9789810213909
Total Pages : 264 pages
Book Rating : 4.2/5 (139 download)
Download or read book Semiconductor Quantum Dots written by Ladislaus B nyai and published by World Scientific. This book was released on 1993 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiconductor Quantum Dots presents an overview of the background and recent developments in the rapidly growing field of ultrasmall semiconductor microcrystallites, in which the carrier confinement is sufficiently strong to allow only quantized states of the electrons and holes. The main emphasis of this book is the theoretical analysis of the confinement induced modifications of the optical and electronic properties of quantum dots in comparison with extended materials. The book develops the theoretical background material for the analysis of carrier quantum-confinement effects, introduces the different confinement regimes for relative or center-of-mass motion quantization of the electron-hole-pairs, and gives an overview of the best approximation schemes for each regime. A detailed discussion of the carrier states in quantum dots is presented and surface polarization instabilities are analyzed, leading to the self-trapping of carriers near the surface of the dots. The influence of spin-orbit coupling on the quantum-confined carrier states is discussed. The linear and nonlinear optical properties of small and large quantum dots are studied in detail and the influence of the quantum-dot size distribution in many realistic samples is outlined. Phonons in quantum dots as well as the influence of external electric or magnetic fields are also discussed. Last but not least the recent developments dealing with regular systems of quantum dots are also reviewed. All things included, this is an important piece of work on semiconductor quantum dots not to be dismissed by serious researchers and physicists.
Author : M. M. Glazov
Publisher : Oxford University Press
ISBN 13 : 0192534211
Total Pages : 320 pages
Book Rating : 4.1/5 (925 download)
Download or read book Electron & Nuclear Spin Dynamics in Semiconductor Nanostructures written by M. M. Glazov and published by Oxford University Press. This book was released on 2018-09-05 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, the physics community has experienced a revival of interest in spin effects in solid state systems. On one hand, the solid state systems, particularly, semiconductors and semiconductor nanosystems, allow us to perform benchtop studies of quantum and relativistic phenomena. On the other hand, this interest is supported by the prospects of realizing spin-based electronics, where the electron or nuclear spins may play a role of quantum or classical information carriers. This book looks in detail at the physics of interacting systems of electron and nuclear spins in semiconductors, with particular emphasis on low-dimensional structures. These two spin systems naturally appear in practically all widespread semiconductor compounds. The hyperfine interaction of the charge carriers and nuclear spins is particularly prominent in nanosystems due to the localization of the charge carriers, and gives rise to spin exchange between these two systems and a whole range of beautiful and complex physics of manybody and nonlinear systems. As a result, understanding of the intertwined spin systems of electrons and nuclei is crucial for in-depth studying and controlling the spin phenomena in semiconductors. The book addresses a number of the most prominent effects taking place in semiconductor nanosystems including hyperfine interaction, nuclear magnetic resonance, dynamical nuclear polarization, spin-Faraday and spin-Kerr effects, processes of electron spin decoherence and relaxation, effects of electron spin precession mode-locking and frequency focussing, as well as fluctuations of electron and nuclear spins.
Author : Toshihide Takagahara
Publisher : Academic Press
ISBN 13 : 0080525121
Total Pages : 508 pages
Book Rating : 4.0/5 (85 download)
Download or read book Quantum Coherence Correlation and Decoherence in Semiconductor Nanostructures written by Toshihide Takagahara and published by Academic Press. This book was released on 2003-02-10 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiconductor nanostructures are attracting a great deal of interest as the most promising device with which to implement quantum information processing and quantum computing. This book surveys the present status of nanofabrication techniques, near field spectroscopy and microscopy to assist the fabricated nanostructures. It will be essential reading for academic and industrial researchers in pure and applied physics, optics, semiconductors and microelectronics. - The first up-to-date review articles on various aspects on quantum coherence, correlation and decoherence in semiconductor nanostructures
Author : Gerasimos Konstantatos
Publisher : Cambridge University Press
ISBN 13 : 0521198267
Total Pages : 329 pages
Book Rating : 4.5/5 (211 download)
Download or read book Colloidal Quantum Dot Optoelectronics and Photovoltaics written by Gerasimos Konstantatos and published by Cambridge University Press. This book was released on 2013-11-07 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: Captures the most up-to-date research in the field, written in an accessible style by the world's leading experts.
Author : Venkat Chandrasekhar
Publisher : Springer Science & Business Media
ISBN 13 : 9781402004018
Total Pages : 292 pages
Book Rating : 4.0/5 (4 download)
Download or read book Kondo Effect and Dephasing in Low-Dimensional Metallic Systems written by Venkat Chandrasekhar and published by Springer Science & Business Media. This book was released on 2001-12-31 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: The availability of nanolithographic tools and new spectroscopies (scanning tunneling microscope, mechanically controllable break junctions) has opened the possibility of directly probing the Kondo effect on the relevant mesoscopic size scale. This book brings together the major progress that has been made during the past few years on low-dimensional Kondo systems. Apart from size effects in dilute magnetic alloys, the book focuses on the two-channel Kondo effect to describe two-level systems which influence the electron transport through metallic nanobridges and cause dephasing in disordered metal films. It also reveals how quantum dots can be used as perfectly tunable Kondo systems.
Author : Javier Domínguez
Publisher :
ISBN 13 :
Total Pages : 426 pages
Book Rating : 4.:/5 (568 download)
Download or read book A Theoretical Study of Coupling and Dephasing in Semiconductor Quantum Dots written by Javier Domínguez and published by . This book was released on 2004 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marcus Larsson
Publisher :
ISBN 13 : 9789174731729
Total Pages : 95 pages
Book Rating : 4.7/5 (317 download)
Download or read book Electron Transport in Quantum Dots Defined in Low-dimensional Semiconductor Structures written by Marcus Larsson and published by . This book was released on 2011 with total page 95 pages. Available in PDF, EPUB and Kindle. Book excerpt:
