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Author :
Publisher :
ISBN 13 : 9814472972
Total Pages : pages
Book Rating : 4.8/5 (144 download)
Download or read book Nonequilibrium Quantum Transport Physics in Nanosystems written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Felixberto Alcudia Buot
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)
Download or read book Nonequilibrium Quantum Transport Physics in Nanosystems written by Felixberto Alcudia Buot and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dmitry Ryndyk
Publisher : Springer
ISBN 13 : 3319240889
Total Pages : 246 pages
Book Rating : 4.3/5 (192 download)
Download or read book Theory of Quantum Transport at Nanoscale written by Dmitry Ryndyk and published by Springer. This book was released on 2015-12-08 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an introduction to a rapidly developing field of modern theoretical physics – the theory of quantum transport at nanoscale. The theoretical methods considered in the book are in the basis of our understanding of charge, spin and heat transport in nanostructures and nanostructured materials and are widely used in nanoelectronics, molecular electronics, spin-dependent electronics (spintronics) and bio-electronics. The book is based on lectures for graduate and post-graduate students at the University of Regensburg and the Technische Universität Dresden (TU Dresden). The first part is devoted to the basic concepts of quantum transport: Landauer-Büttiker method and matrix Green function formalism for coherent transport, Tunneling (Transfer) Hamiltonian and master equation methods for tunneling, Coulomb blockade, vibrons and polarons. The results in this part are obtained as possible without sophisticated techniques, such as nonequilibrium Green functions, which are considered in detail in the second part. A general introduction into the nonequilibrium Green function theory is given. The approach based on the equation-of-motion technique, as well as more sophisticated one based on the Dyson-Keldysh diagrammatic technique are presented. The main attention is paid to the theoretical methods able to describe the nonequilibrium (at finite voltage) electron transport through interacting nanosystems, specifically the correlation effects due to electron-electron and electron-vibron interactions.
Author : Kenji Hirose
Publisher : CRC Press
ISBN 13 : 9814267597
Total Pages : 523 pages
Book Rating : 4.8/5 (142 download)
Download or read book Quantum Transport Calculations for Nanosystems written by Kenji Hirose and published by CRC Press. This book was released on 2014-04-11 with total page 523 pages. Available in PDF, EPUB and Kindle. Book excerpt: As electric devices become smaller and smaller, transport simulations based on the quantum mechanics become more and more important. There are currently numerous textbooks on the basic concepts of quantum transport, but few present calculation methods in detail. This book provides various quantum transport simulation methods and shows applications for transport properties of nanometer-scale systems. It starts with a short review of quantum transport, followed by various calculation methods based on scattering approaches, non-equilibrium Green’s function (NEGF), master equation, and time-dependent wave-packet diffusion (TD-WPD). With these tools, transport properties of various nanosystems are then explored.
Author : Wolfram Schommers
Publisher : World Scientific
ISBN 13 : 9811243875
Total Pages : 466 pages
Book Rating : 4.8/5 (112 download)
Download or read book Topics In Nanoscience - Part I: Basic Views, Complex Nanosystems: Typical Results And Future written by Wolfram Schommers and published by World Scientific. This book was released on 2021-12-17 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the development of the scanning tunneling microscope, nanoscience became an important discipline. Single atoms could be manipulated in a controlled manner, and it became possible to change matter at its 'ultimate' level; it is the level on which the properties of matter emerge. This possibility enables to construct and to produce devices, materials, etc. with very small sizes and completely new properties. That opens up new perspectives for technology and is in particular relevant in connection with nano-engineering.Nanosystems are unimaginably small and very fast. No doubt, this is an important characteristic. But there is another feature, possibly more relevant, in connection with nanoscience and nanotechnology. The essential point here is that we work at the 'ultimate level'. This is the smallest level at which the properties of our world emerge, at which functional matter can exist. In particular, at this level biological individuality comes into existence. This situation can be expressed in absolute terms: This is not only the strongest material ever made, this is the strongest material it will ever be possible to make (D Ratner and M Ratner, Nanotechnology and Homeland Security). This is a very general statement. All aspects of matter are concerned here. Through the variation of the composition various forms of matter emerge with different items.Nanosystems are usually small, but they offer nevertheless the possibility to vary the structure of atomic (molecular) ensembles, creating a diversity of new material-specific properties. A large variety of experimental possibilities come into play and flexible theoretical tools are needed at the basic level. This is reflected in the different disciplines: In nanoscience and nanotechnology we have various directions: Materials science, functional nanomaterials, nanoparticles, food chemistry, medicine with brain research, quantum and molecular computing, bioinformatics, magnetic nanostructures, nano-optics, nano-electronics, etc.The properties of matter, which are involved within these nanodisciplines, are ultimate in character, i.e., their characteristic properties come into existence at this level. The book is organized in this respect.
Author : Lev Vaidman
Publisher : MDPI
ISBN 13 : 3038979481
Total Pages : 238 pages
Book Rating : 4.0/5 (389 download)
Download or read book Quantum Nonlocality written by Lev Vaidman and published by MDPI. This book was released on 2019-06-12 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the current views of leading physicists on the bizarre property of quantum theory: nonlocality. Einstein viewed this theory as “spooky action at a distance” which, together with randomness, resulted in him being unable to accept quantum theory. The contributions in the book describe, in detail, the bizarre aspects of nonlocality, such as Einstein–Podolsky–Rosen steering and quantum teleportation—a phenomenon which cannot be explained in the framework of classical physics, due its foundations in quantum entanglement. The contributions describe the role of nonlocality in the rapidly developing field of quantum information. Nonlocal quantum effects in various systems, from solid-state quantum devices to organic molecules in proteins, are discussed. The most surprising papers in this book challenge the concept of the nonlocality of Nature, and look for possible modifications, extensions, and new formulations—from retrocausality to novel types of multiple-world theories. These attempts have not yet been fully successful, but they provide hope for modifying quantum theory according to Einstein’s vision.
Author : El-Saba, Muhammad
Publisher : IGI Global
ISBN 13 : 1522523138
Total Pages : 677 pages
Book Rating : 4.5/5 (225 download)
Download or read book Transport of Information-Carriers in Semiconductors and Nanodevices written by El-Saba, Muhammad and published by IGI Global. This book was released on 2017-03-31 with total page 677 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rapid developments in technology have led to enhanced electronic systems and applications. When utilized correctly, these can have significant impacts on communication and computer systems. Transport of Information-Carriers in Semiconductors and Nanodevices is an innovative source of academic material on transport modelling in semiconductor material and nanoscale devices. Including a range of perspectives on relevant topics such as charge carriers, semiclassical transport theory, and organic semiconductors, this is an ideal publication for engineers, researchers, academics, professionals, and practitioners interested in emerging developments on transport equations that govern information carriers.
Author : Wolfram Schommers
Publisher : World Scientific
ISBN 13 : 9811256136
Total Pages : 872 pages
Book Rating : 4.8/5 (112 download)
Download or read book Topics In Nanoscience (In 2 Parts) written by Wolfram Schommers and published by World Scientific. This book was released on 2021-12-17 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the development of the scanning tunneling microscope, nanoscience became an important discipline. Single atoms could be manipulated in a controlled manner, and it became possible to change matter at its 'ultimate' level; it is the level on which the properties of matter emerge. This possibility enables to construct and to produce devices, materials, etc. with very small sizes and completely new properties. That opens up new perspectives for technology and is in particular relevant in connection with nano-engineering.Nanosystems are unimaginably small and very fast. No doubt, this is an important characteristic. But there is another feature, possibly more relevant, in connection with nanoscience and nanotechnology. The essential point here is that we work at the 'ultimate level'. This is the smallest level at which the properties of our world emerge, at which functional matter can exist. In particular, at this level biological individuality comes into existence. This situation can be expressed in absolute terms: This is not only the strongest material ever made, this is the strongest material it will ever be possible to make (D Ratner and M Ratner, Nanotechnology and Homeland Security). This is a very general statement. All aspects of matter are concerned here. Through the variation of the composition various forms of matter emerge with different items.Nanosystems are usually small, but they offer nevertheless the possibility to vary the structure of atomic (molecular) ensembles, creating a diversity of new material-specific properties. A large variety of experimental possibilities come into play and flexible theoretical tools are needed at the basic level. This is reflected in the different disciplines: In nanoscience and nanotechnology we have various directions: Materials science, functional nanomaterials, nanoparticles, food chemistry, medicine with brain research, quantum and molecular computing, bioinformatics, magnetic nanostructures, nano-optics, nano-electronics, etc.The properties of matter, which are involved within these nanodisciplines, are ultimate in character, i.e., their characteristic properties come into existence at this level. The book is organized in this respect.
Author : Stephan Weiss
Publisher :
ISBN 13 : 9783832274832
Total Pages : 120 pages
Book Rating : 4.2/5 (748 download)
Download or read book Nonequilibrium Quantum Transport and Confinement Effects in Interacting Nanoscale Conductors written by Stephan Weiss and published by . This book was released on 2008 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : François Triozon
Publisher : John Wiley & Sons
ISBN 13 : 111876188X
Total Pages : 396 pages
Book Rating : 4.1/5 (187 download)
Download or read book Simulation of Transport in Nanodevices written by François Triozon and published by John Wiley & Sons. This book was released on 2016-11-22 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Linear current-voltage pattern, has been and continues to be the basis for characterizing, evaluating performance, and designing integrated circuits, but is shown not to hold its supremacy as channel lengths are being scaled down. In a nanoscale circuit with reduced dimensionality in one or more of the three Cartesian directions, quantum effects transform the carrier statistics. In the high electric field, the collision free ballistic transform is predicted, while in low electric field the transport remains predominantly scattering-limited. In a micro/nano-circuit, even a low logic voltage of 1 V is above the critical voltage triggering nonohmic behavior that results in ballistic current saturation. A quantum emission may lower this ballistic velocity.
Author : David K. Ferry
Publisher : CRC Press
ISBN 13 : 1351796380
Total Pages : 538 pages
Book Rating : 4.3/5 (517 download)
Download or read book An Introduction to Quantum Transport in Semiconductors written by David K. Ferry and published by CRC Press. This book was released on 2017-12-14 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: Throughout their college career, most engineering students have done problems and studies that are basically situated in the classical world. Some may have taken quantum mechanics as their chosen field of study. This book moves beyond the basics to highlight the full quantum mechanical nature of the transport of carriers through nanoelectronic structures. The book is unique in that addresses quantum transport only in the materials that are of interest to microelectronics—semiconductors, with their variable densities and effective masses. The author develops Green’s functions starting from equilibrium Green’s functions and going through modern time-dependent approaches to non-equilibrium Green’s functions, introduces relativistic bands for graphene and topological insulators and discusses the quantum transport changes that these bands induce, and discusses applications such as weak localization and phase breaking processes, resonant tunneling diodes, single-electron tunneling, and entanglement. Furthermore, he also explains modern ensemble Monte Carlo approaches to simulation of various approaches to quantum transport and the hydrodynamic approaches to quantum transport. All in all, the book describes all approaches to quantum transport in semiconductors, thus becoming an essential textbook for advanced graduate students in electrical engineering or physics.
Author : Hunter, Maureen
Publisher : OIBooks-Libros
ISBN 13 : 1896239994
Total Pages : 944 pages
Book Rating : 4.8/5 (962 download)
Download or read book Three Plays of Maureen Hunter written by Hunter, Maureen and published by OIBooks-Libros. This book was released on 2003 with total page 944 pages. Available in PDF, EPUB and Kindle. Book excerpt: Book is clean and tight. No writing in text. Like New
Author : Jonas Fransson
Publisher : Springer Science & Business Media
ISBN 13 : 9048192099
Total Pages : 230 pages
Book Rating : 4.0/5 (481 download)
Download or read book Non-Equilibrium Nano-Physics written by Jonas Fransson and published by Springer Science & Business Media. This book was released on 2010-07-05 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this book is to present a formulation of the non-equilibrium physics in nanoscale systems in terms of many-body states and operators and, in addition, discuss a diagrammatic approach to Green functions expressed by many-body states. The intention is not to give an account of strongly correlated systems as such. Thus, the focus of this book ensues from the typical questions that arise when addressing nanoscale systems from a practical point of view, e.g. current-voltage asymmetries, negative differential conductance, spin-dependent tunneling. The focus is on nanoscale systems constituted of complexes of subsystems interacting with one another, under non-equilibrium conditions, in which the local properties of the subsystems are preferably being described in terms of its (many-body) eigenstates.
Author : David K. Ferry
Publisher : Springer Science & Business Media
ISBN 13 : 1489923594
Total Pages : 311 pages
Book Rating : 4.4/5 (899 download)
Download or read book Quantum Transport in Semiconductors written by David K. Ferry and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: The majority of the chapters in this volume represent a series of lectures. that were given at a workshop on quantum transport in ultrasmall electron devices, held at San Miniato, Italy, in March 1987. These have, of course, been extended and updated during the period that has elapsed since the workshop was held, and have been supplemented with additional chapters devoted to the tunneling process in semiconductor quantum-well structures. The aim of this work is to review and present the current understanding in nonequilibrium quantum transport appropriate to semiconductors. Gen erally, the field of interest can be categorized as that appropriate to inhomogeneous transport in strong applied fields. These fields are most likely to be strongly varying in both space and time. Most of the literature on quantum transport in semiconductors (or in metallic systems, for that matter) is restricted to the equilibrium approach, in which spectral densities are maintained as semiclassical energy conserving delta functions, or perhaps incorporating some form of collision broadening through a Lorentzian shape, and the distribution functions are kept in the equilibrium Fermi-Dirac form. The most familiar field of nonequilibrium transport, at least for the semiconductor world, is that of hot carriers in semiconductors.
Author : Gianluca Stefanucci
Publisher : Cambridge University Press
ISBN 13 : 0521766176
Total Pages : 619 pages
Book Rating : 4.5/5 (217 download)
Download or read book Nonequilibrium Many-Body Theory of Quantum Systems written by Gianluca Stefanucci and published by Cambridge University Press. This book was released on 2013-03-07 with total page 619 pages. Available in PDF, EPUB and Kindle. Book excerpt: A pedagogical introduction to nonequilibrium theory, time-dependent phenomena and excited state properties, for graduate students and researchers.
Author : Aleksandar M. M. Spasic
Publisher : Academic Press
ISBN 13 : 0128138378
Total Pages : 188 pages
Book Rating : 4.1/5 (281 download)
Download or read book Rheology of Emulsions written by Aleksandar M. M. Spasic and published by Academic Press. This book was released on 2018-04-26 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rheology of Emulsions, Volume 22: Electrohydrodynamics Principles studies phenomena at liquid-liquid interfaces, including finely dispersed particles or structures, in particular emulsions, double emulsions and biological cells. The book considers the forces of electrical origin that participate in the physical events at liquid-liquid interfaces, taking into account electron transfer phenomenon and electrodynamics principles. Topics covered are of interest to a broad range of scientists, researchers and graduate students with a basic knowledge of physical chemistry, electromagnetism, fluid mechanics, classical and quantum electrodynamics. The implications and applications of the material presented in the book contribute to the advanced fundamental, applied and engineering research of interfacial electroviscoelastic phenomena. Features a multidisciplinary approach to electron transfer phenomena Introduces a new constitutive model of liquids and a theory of electroviscoelasticity Addresses a broad range of subject field examples that make it useful to various research communities
Author : Marco Lanzagorta
Publisher : Springer Nature
ISBN 13 : 3031016785
Total Pages : 113 pages
Book Rating : 4.0/5 (31 download)
Download or read book Underwater Communications written by Marco Lanzagorta and published by Springer Nature. This book was released on 2022-05-31 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: Underwater vehicles and underwater moorings are increasing in tactical importance. As such, it is critical to have a robust and secure communication system connecting underwater vehicles on a long seaborne mission and a ground station. As a matter of fact, the deployment of efficient communication links with underwater vehicles is one of the greatest technological challenges presently confronted by the world's naval forces. To circumvent most of the limitations involved in the use of RF or acoustic channels for perfectly secure communications with underwater vehicles, it is worth considering the feasibility of an optical channel to facilitate a two-way satellite communication link secured via perfectly secure ciphers enabled by a quantum key distribution protocol. This book offers a concise review of underwater communications systems. Our approach is pedagogical, making a strong emphasis on the physics behind the attenuating properties of the oceanic environment and the propagation of electromagnetic signals in the ELF, VLF, and optical bands. We assume the reader is familiar with the basic principles of classical electrodynamics and optics. The system design, components, and noise analysis of an underwater optical communications device are discussed in detail. Furthermore, we offer simulations of the performance of the communication system for different types of ocean waters. Our final conclusion is that it appears to be feasible to design and build underwater communications using optical classical and quantum channels secured with quantum key distribution protocols. Table of Contents: Introduction / Electrodynamics of Attenuating Media / Underwater Communication Channels / Underwater Optical Communications: Technology / Underwater Optical Communications: Noise Analysis / Underwater Optical Communications: System Performance / Underwater Quantum Communications / Conclusions PDF (1764 KB) PDF Plus (1444 KB)
