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Author : Sujaul Chowdhury
Publisher :
ISBN 13 : 9783656384618
Total Pages : 170 pages
Book Rating : 4.3/5 (846 download)
Download or read book Oscillatory Transmission Through Non-tunneling Regime of Isolated Quantum Well written by Sujaul Chowdhury and published by . This book was released on 2013 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sujaul Chowdhury
Publisher : Grin Publishing
ISBN 13 : 9783668526051
Total Pages : 12 pages
Book Rating : 4.5/5 (26 download)
Download or read book Electron Transmission Through Non-Tunneling Regime of GAAS-Algaas Coupled Quantum Wells written by Sujaul Chowdhury and published by Grin Publishing. This book was released on 2017-10-02 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research Paper (postgraduate) from the year 2017 in the subject Physics - Quantum Physics, grade: 4.00, Shahjalal University of Science and Technology, course: Nanostructure Physics, language: English, abstract: We have investigated electron transmission through non-tunneling regime of a semiconductor nanostructure called Coupled Quantum Well (CQW). Oscillatory transmission coefficient as a function of energy is found to show spectacular waxing and waning in amplitude. Corresponding features are expected to be observed in optical (Physical Review B 54 (1996) 1541) and quantum transport (Physical Review Letters 58 (1987) 816) experiments and hence the results besides verifying the Physics will have impact on future devices based on CQW.
Author : Sujaul Chowdhury
Publisher :
ISBN 13 : 9783656389668
Total Pages : 152 pages
Book Rating : 4.3/5 (896 download)
Download or read book Oscillatory Transmission Through Non-tunneling Regime of Single Rectangular Tunnel Barrier written by Sujaul Chowdhury and published by . This book was released on 2013 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marine Pigneur
Publisher : Springer Nature
ISBN 13 : 3030528448
Total Pages : 204 pages
Book Rating : 4.0/5 (35 download)
Download or read book Non-equilibrium Dynamics of Tunnel-Coupled Superfluids written by Marine Pigneur and published by Springer Nature. This book was released on 2020-08-28 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: The relaxation of isolated quantum many-body systems is a major unsolved problem of modern physics, which is connected to many fundamental questions. However, realizations of quantum many-body systems which are both well isolated from their environment and accessible to experimental study are scarce. In recent years, the field has experienced rapid progress, partly attributed to ultra-cold atoms. This book presents the experimental study of a relaxation phenomenon occurring in a one-dimensional bosonic Josephson junction. The system consists of two 1D quasi Bose-Einstein condensates of 87Rb, magnetically trapped on an atom chip. Using radio-frequency dressing, the author deforms a single harmonic trap, in which the atoms are initially condensed, into a double-well potential and realizes a splitting of the wave function. A large spatial separation and a tilt of the double-well enable the preparation of a broad variety of initial states by precisely adjusting the initial population and relative phase of the two wave packets, while preserving the phase coherence. By re-coupling the two wave packets, the author investigates tunneling regimes such as Josephson (plasma) oscillations and macroscopic quantum self-trapping. In both regimes, the tunneling dynamics exhibits a relaxation to a phase-locked equilibrium state contradicting theoretical predictions. The experimental results are supported with an empirical model that allows quantitative discussions according to various experimental parameters. These results illustrate how strongly the non-equilibrium dynamics differ from the equilibrium one, which is well described by thermodynamics and statistical physics.
Author : Piklu Sutradhar
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659169397
Total Pages : 164 pages
Book Rating : 4.1/5 (693 download)
Download or read book Oscillatory Resonant Transmission Waxing and Waning in Amplitude written by Piklu Sutradhar and published by LAP Lambert Academic Publishing. This book was released on 2012-07 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: We report strong, amplitude modulated, oscillatory resonant transmission of electron through non-tunneling regime (E > V0) of the nanostructure called symmetric double barrier. We present thorough and complete analytical calculation and thorough numerical investigations. Amplitude of the oscillations shows spectacular waxing and waning as a function of energy E. We could not fathom anything like this before the numerical investigations. We have successfully accounted for the waxing and waning both qualitatively and quantitatively showing nearly perfect agreement. The book contains background on Quantum Mechanics, Microelectronics and Nanostructure Physics so that readers having no background of Microelectronics and Nanostructure Physics can assimilate the book completely. Content of the book is stunning and novel: not known to anybody or reported by anybody anywhere else, to our knowledge.
Author : Hermann Grabert
Publisher : Springer Science & Business Media
ISBN 13 : 1475721668
Total Pages : 344 pages
Book Rating : 4.4/5 (757 download)
Download or read book Single Charge Tunneling written by Hermann Grabert and published by Springer Science & Business Media. This book was released on 2013-11-27 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of single charge tunneling comprises of phenomena where the tunneling of a microscopic charge, usually carried by an electron or a Cooper pair, leads to macro scopically observable effects. The first conference entirely devoted to this new field was the NATO Advanced Study Institute on Single Charge Tunneling held in Les Hauches, France, March 5-15, 1991. This book contains a series of tutorial articles based on lectures presented at the meeting. It was intended to provide both an introduction for nonexperts and a valuable reference summarizing the state of the art of single charge tun neling. A complementary publication with contributions by participants of the NATO Advanced Study Institute is the Special Issue on Single Charge Tunneling of Zeitschrift für Physik B, Vol. 85, pp. 317-468 (1991 ). That issue with original papers provides a snapshot af the leading edge of current research in the field. The success of the meeting and the publicatian of this volume was made possible through the generaus support af the NATO Scientific A:ffairs Division, Brussels, Belgium. The Centre de Physique des Hauches has provided a superbly situated conference site and took care af many lacal arrangements. Both far the preparation of the conference and the handling af some manuscripts the suppart af the Centre d 'Etudes de Saclay was essential. The editing of the proceedings volume would not have been passible without the dedicated efforts of Dr. G. -1. Ingald, who tailared a 1\.
Author : Fritz Henneberger
Publisher : CRC Press
ISBN 13 : 9814241199
Total Pages : 516 pages
Book Rating : 4.8/5 (142 download)
Download or read book Semiconductor Quantum Bits written by Fritz Henneberger and published by CRC Press. This book was released on 2016-04-19 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights state-of-the-art qubit implementations in semiconductors and provides an extensive overview of this newly emerging field. Semiconductor nanostructures have huge potential as future quantum information devices as they provide various ways of qubit implementation (electron spin, electronic excitation) as well as a way to transfer
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 :
Publisher :
ISBN 13 :
Total Pages : 1948 pages
Book Rating : 4.3/5 (243 download)
Download or read book Electrical & Electronics Abstracts written by and published by . This book was released on 1997 with total page 1948 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 836 pages
Book Rating : 4.:/5 (318 download)
Download or read book JETP Letters written by and published by . This book was released on 1991 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : T. Chakraborty
Publisher : Elsevier
ISBN 13 : 008052575X
Total Pages : 363 pages
Book Rating : 4.0/5 (85 download)
Download or read book Quantum Dots written by T. Chakraborty and published by Elsevier. This book was released on 1999-11-30 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with the electronic and optical properties of two low-dimensional systems: quantum dots and quantum antidots and is divided into two parts. Part one is a self-contained monograph which describes in detail the theoretical and experimental background for exploration of electronic states of the quantum-confined systems. Starting from the single-electron picture of the system, the book describes various experimental methods that provide important information on these systems. Concentrating on many-electron systems, theoretical developments are described in detail and their experimental consequences are also discussed. The field has witnessed an almost explosive growth and some of the future directions of explorations are highlighted towards the end of the monograph. The subject matter is dealt with in such a way that it is both accessible to beginners and useful for expert researchers as a comprehensive review of most of the developments in the field.Furthermore the book contains 37 reprinted articles which have been selected to provide a first-hand picture of the overall developments in the field. The early papers have been arranged to portray the developments chronologically, and the more recent papers provide an overview of future direction in the research.
Author : Richard H. Hellman
Publisher : U of Minnesota Press
ISBN 13 : 9781452903354
Total Pages : 226 pages
Book Rating : 4.9/5 (33 download)
Download or read book Quantum Measurement written by Richard H. Hellman and published by U of Minnesota Press. This book was released on with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 934 pages
Book Rating : 4.3/5 (91 download)
Download or read book Physics Briefs written by and published by . This book was released on 1994 with total page 934 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (319 download)
Download or read book Mosaic written by and published by . This book was released on 1990 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Raphael Tsu
Publisher : Elsevier
ISBN 13 : 0080968147
Total Pages : 346 pages
Book Rating : 4.0/5 (89 download)
Download or read book Superlattice to Nanoelectronics written by Raphael Tsu and published by Elsevier. This book was released on 2010-10-22 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: Superlattice to Nanoelectronics, Second Edition, traces the history of the development of superlattices and quantum wells from their origins in 1969. Topics discussed include the birth of the superlattice; resonant tunneling via man-made quantum well states; optical properties and Raman scattering in man-made quantum systems; dielectric function and doping of a superlattice; and quantum step and activation energy. The book also covers semiconductor atomic superlattice; Si quantum dots fabricated from annealing amorphous silicon; capacitance, dielectric constant, and doping quantum dots; porous silicon; and quantum impedance of electrons. - Written by one of the founders of this field - Delivers over 20% new material, including new research and new technological applications - Provides a basic understanding of the physics involved from first principles, while adding new depth, using basic mathematics and an explanation of the background essentials
Author : Yoshihiro Asai
Publisher : CRC Press
ISBN 13 : 1000091112
Total Pages : 588 pages
Book Rating : 4.0/5 ( download)
Download or read book Quantum Theory of Transport Properties of Single Molecules written by Yoshihiro Asai and published by CRC Press. This book was released on 2024-11-07 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt: The quantum transport theory, which dates back to the time of the Landauer theory in the field of mesoscopic physics, is now expanding its power on materials science and chemistry by earning chemical accuracy and physical reality and has become a new subject of non-equilibrium quantum transport theory for charge and heat at nanoscale. This growing subject invites cross-disciplinary developments, for example, the local heating theory developed earlier was examined and applied to the self-heating problem in the field of semiconductor- and nanoelectronic-device physics. This book compiles 25 key published papers to provide readers with convenient and comprehensive access to the important results and developments in the field. The book will appeal to a wide range of readers from varied backgrounds, especially those involved in charge- and/or heat-transport problems that widely spread over various subjects in materials science, chemistry, electric engineering, and condensed matter physics.
Author :
Publisher :
ISBN 13 :
Total Pages : 1408 pages
Book Rating : 4.3/5 (97 download)
Download or read book Physical Review written by and published by . This book was released on 2000-05 with total page 1408 pages. Available in PDF, EPUB and Kindle. Book excerpt: Publishes papers that report results of research in statistical physics, plasmas, fluids, and related interdisciplinary topics. There are sections on (1) methods of statistical physics, (2) classical fluids, (3) liquid crystals, (4) diffusion-limited aggregation, and dendritic growth, (5) biological physics, (6) plasma physics, (7) physics of beams, (8) classical physics, including nonlinear media, and (9) computational physics.
