Nonequilibrium Quantum Transport Physics In Nanosystems
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Nonequilibrium Quantum Transport Physics In Nanosystems
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Author :
language : en
Publisher:
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Nonequilibrium Quantum Transport Physics In Nanosystems written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Nonequilibrium Quantum Transport Physics In Nanosystems
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Author : Felixberto Alcudia Buot
language : en
Publisher:
Release Date : 2009
Nonequilibrium Quantum Transport Physics In Nanosystems written by Felixberto Alcudia Buot and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Mesoscopic phenomena (Physics) categories.
Quantum Transport Calculations For Nanosystems
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Author : Kenji Hirose
language : en
Publisher: CRC Press
Release Date : 2014-04-11
Quantum Transport Calculations For Nanosystems written by Kenji Hirose and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-04-11 with Science categories.
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
Theory Of Quantum Transport At Nanoscale
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Author : Dmitry Ryndyk
language : en
Publisher: Springer
Release Date : 2015-12-08
Theory Of Quantum Transport At Nanoscale written by Dmitry Ryndyk and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-12-08 with Science categories.
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.
Nonequilibrium Quantum Transport Theory Of Spinful And Topological Systems A New Perspective And Foundation For Topotronics
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Author : Felix A Buot
language : en
Publisher: World Scientific
Release Date : 2024-04-23
Nonequilibrium Quantum Transport Theory Of Spinful And Topological Systems A New Perspective And Foundation For Topotronics written by Felix A Buot and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-04-23 with Science categories.
This book employs nonequilibrium quantum transport, based on the use of mixed Hilbert space representations and real time quantum superfield transport theory, to explain various topological phases of systems with entangled chiral degrees of freedom. It presents an entirely new perspective on topological systems, entanglement-induced localization and delocalization, integer quantum Hall effect (IQHE), fractional quantum Hall effect (FQHE), and its respective spectral zones in the Hofstadter butterfly spectrum. A simple and powerful, intuitive, and wide-ranging perspective on chiral transport dynamics.
Nonequilibrium Quantum Transport And Confinement Effects In Interacting Nanoscale Conductors
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Author : Stephan Weiss
language : en
Publisher:
Release Date : 2008
Nonequilibrium Quantum Transport And Confinement Effects In Interacting Nanoscale Conductors written by Stephan Weiss and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Electric conductors categories.
Topics In Nanoscience Part I Basic Views Complex Nanosystems Typical Results And Future
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Author : Wolfram Schommers
language : en
Publisher: World Scientific
Release Date : 2021-12-17
Topics In Nanoscience Part I Basic Views Complex Nanosystems Typical Results And Future written by Wolfram Schommers and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-17 with Science categories.
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.
Quantum Transport In Semiconductors
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Author : David K. Ferry
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Quantum Transport In Semiconductors written by David K. Ferry and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Science categories.
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.
Quantum Nonlocality
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Author : Lev Vaidman
language : en
Publisher: MDPI
Release Date : 2019-06-12
Quantum Nonlocality written by Lev Vaidman and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-06-12 with Science categories.
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.
Non Equilibrium Nano Physics
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Author : Jonas Fransson
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-07-05
Non Equilibrium Nano Physics written by Jonas Fransson and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-07-05 with Science categories.
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.