Semiclassical Theory Of Mesoscopic Quantum Systems
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Semiclassical Theory Of Mesoscopic Quantum Systems
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Author : Klaus Richter
language : en
Publisher:
Release Date : 2014-01-15
Semiclassical Theory Of Mesoscopic Quantum Systems written by Klaus Richter and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-15 with categories.
Quantum Versus Chaos
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Author : K. Nakamura
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-04-11
Quantum Versus Chaos written by K. Nakamura 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 2006-04-11 with Science categories.
Quantum and chaos, key concepts in contemporary science, are incompatible by nature. This volume presents an investigation into quantum transport in mesoscopic or nanoscale systems which are classically chaotic and shows the success and failure of quantal, semiclassical, and random matrix theories in dealing with questions emerging from the mesoscopic cosmos. These traditional theories are critically analysed, and this leads to a new direction. To reconcile quantum with chaos and to restore genuine temporal chaos in quantum systems, a time-discrete variant of quantum dynamics is proposed. Audience:This book will be of interest to graduate students and researchers in physics, chemistry and mathematics, whose work involves fundamental questions of quantum mechanics in chaotic systems.
Semiclassical Approach To Mesoscopic Systems
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Author : Daniel Waltner
language : en
Publisher: Springer
Release Date : 2012-01-05
Semiclassical Approach To Mesoscopic Systems written by Daniel Waltner and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-05 with Science categories.
This volume describes mesoscopic systems with classically chaotic dynamics using semiclassical methods which combine elements of classical dynamics and quantum interference effects. Experiments and numerical studies show that Random Matrix Theory (RMT) explains physical properties of these systems well. This was conjectured more than 25 years ago by Bohigas, Giannoni and Schmit for the spectral properties. Since then, it has been a challenge to understand this connection analytically. The author offers his readers a clearly-written and up-to-date treatment of the topics covered. He extends previous semiclassical approaches that treated spectral and conductance properties. He shows that RMT results can in general only be obtained semiclassically when taking into account classical configurations not considered previously, for example those containing multiply traversed periodic orbits. Furthermore, semiclassics is capable of describing effects beyond RMT. In this context he studies the effect of a non-zero Ehrenfest time, which is the minimal time needed for an initially spatially localized wave packet to show interference. He derives its signature on several quantities characterizing mesoscopic systems, e. g. dc and ac conductance, dc conductance variance, n-pair correlation functions of scattering matrices and the gap in the density of states of Andreev billiards.
Semiclassical Theory Of Mesoscopic Quantum Systems
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Author : Klaus Richter
language : en
Publisher: Springer
Release Date : 1999-11-22
Semiclassical Theory Of Mesoscopic Quantum Systems written by Klaus Richter and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-11-22 with Science categories.
This book describes manifestations of classical dynamics and chaos in the quantum properties of mesoscopic systems. During the last two decades mesoscopic physics has evolved into a rapidly progressing and exciting interdisciplinary field of physics. The first part of the book deals with integrable and chaotic classical dynamics with particular emphasis on the semiclassical description of spectral correlations, thermodynamic properties and linear response functions. The main part shows applications to prominent observables in the mesoscopic context.
Cold And Ultracold Collisions In Quantum Microscopic And Mesoscopic Systems
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Author : John Weiner
language : en
Publisher: Cambridge University Press
Release Date : 2003-12-04
Cold And Ultracold Collisions In Quantum Microscopic And Mesoscopic Systems written by John Weiner and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-12-04 with Science categories.
Cold and ultracold collisions occupy a strategic position at the intersection of several powerful themes of current research in chemical physics, in atomic, molecular and optical physics, and even in condensed matter. The nature of these collisions has important consequences for optical manipulation of inelastic and reactive processes, precision measurement of molecular and atomic properties, matter-wave coherences and quantum-statistical condensates of dilute, weakly interacting atoms. This crucial position explains the wide interest and explosive growth of the field since its inception in 1987. The author reviews elements of the quantum theory of scattering theory, collisions taking place in the presence of one or more light fields, and collisions in the dark, below the photon recoil limit imposed by the presence of any light field. Finally, it reviews the essential properties of these mesoscopic quantum systems and describes the key importance of the scattering length to condensate stability.
Quantum Tunneling In Complex Systems
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Author : Joachim Ankerhold
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-02-15
Quantum Tunneling In Complex Systems written by Joachim Ankerhold 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 2007-02-15 with Science categories.
In the last two decades remarkable progress has been made in understanding and describing tunneling processes in complex systems in terms of classical trajectories. This book introduces recent concepts and achievements with particular emphasis on a dynamical formulation and relations to specific systems in mesoscopic, molecular, and atomic physics. Advanced instanton techniques, e.g. for decay rates and tunnel splittings, are discussed in the first part. The second part covers current developments for wave-packet tunneling in real-time, and the third part describes thermodynamics and dynamical approaches for barrier transmission in statistical, particularly dissipative systems.
Quantum Transport In Mesoscopic Systems
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Author : Pier A. Mello
language : en
Publisher: Oxford University Press, USA
Release Date : 2004
Quantum Transport In Mesoscopic Systems written by Pier A. Mello and has been published by Oxford University Press, USA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Science categories.
This text presents the statistical theory of wave scattering and quantum transport in complex - chaotic and disordered - systems.
Complex Phenomena In Nanoscale Systems
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Author : Giulio Casati
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-08-10
Complex Phenomena In Nanoscale Systems written by Giulio Casati 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 2009-08-10 with Technology & Engineering categories.
Nanoscale physics has become one of the rapidly developing areas of contemporary physics because of its direct relevance to newly emerging area, nanotechnologies. Nanoscale devices and quantum functional materials are usually constructed based on the results of fundamental studies on nanoscale physics. Therefore studying physical phenomena in nanosized systems is of importance for progressive development of nanotechnologies. In this context study of complex phenomena in such systems and using them for controlling purposes is of great practical importance. Namely, such studies are brought together in this book, which contains 27 papers on various aspects of nanoscale physics and nonlinear dynamics.
Nonlinear Dynamics Of Nanosystems
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Author : Günter Radons
language : en
Publisher: John Wiley & Sons
Release Date : 2010-01-12
Nonlinear Dynamics Of Nanosystems written by Günter Radons and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-01-12 with Technology & Engineering categories.
A discussion of the fundamental changes that occur when dynamical systems from the fields of nonlinear optics, solids, hydrodynamics and biophysics are scaled down to nanosize. The authors are leading scientists in the field and each of their contributions provides a broader introduction to the specific area of research. In so doing, they include both the experimental and theoretical point of view, focusing especially on the effects on the nonlinear dynamical behavior of scaling, stochasticity and quantum mechanics. For everybody working on the synthesis and integration of nanoscopic devices who sooner or later will have to learn how to deal with nonlinear effects.
Quantum Phenomena In Mesoscopic Systems
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Author : B. Altshuler
language : en
Publisher: IOS Press
Release Date : 2004-01-28
Quantum Phenomena In Mesoscopic Systems written by B. Altshuler and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-01-28 with Science categories.
This book is a snapshot of the vision shared by outstanding scientists on the key theoretical and experimental issues in Mesoscopic Physics. Quantum properties of electrons in solid state devices and transport in semiconducting and superconducting low-dimensional systems, are discussed, as well as the basis of quantum computing (entanglement, noise decoherence and read-out). Each chapter collects the material presented at a Varenna School course of last year, by leading experts in the field. The reader gets a flavor, how theorists and experimentalists are paving the way to the physical realization of solid state qubits, the basic units of the new logic and memory elements for quantum processing. He will be surprised in finding that mesoscopic solid state devices, which were invented just yesterday ( think of the Single Electron Transistor, or the Cooper Pair Box) are currently used as charge-sensing applications in the equipment of frontier research laboratories. These devices contribute as probing systems to produce evidence on still unsettled questions in topics like the metal-insulator transition in disordered two dimensional systems, quantum Hall conductance in heterostructures, or Kondo conductance in quantum dots.