Complex Quantum Systems

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Dynamics of Complex Quantum Systems

Vladimir M. Akulin
Dynamics of Complex Quantum Systems Book PDF

Author : Vladimir M. Akulin
Publisher : Springer Science & Business Media
Page : 683 pages
File Size : 41,6 Mb
Release : 2013-12-30
Category : Science
ISBN : 9789400772052

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Dynamics of Complex Quantum Systems by Vladimir M. Akulin Pdf

This book gathers together a range of similar problems that can be encountered in different fields of modern quantum physics and that have common features with regard to multilevel quantum systems. The main motivation was to examine from a uniform standpoint various models and approaches that have been developed in atomic, molecular, condensed matter, chemical, laser and nuclear physics in various contexts. The book should help senior-level undergraduate, graduate students and researchers putting particular problems in these fields into a broader scientific context and thereby taking advantage of well-established techniques used in adjacent fields. This second edition has been expanded to include substantial new material (e.g. new sections on Dynamic Localization and on Euclidean Random Matrices and new chapters on Entanglement, Open Quantum Systems, and Coherence Protection). It is based on the author’s lectures at the Moscow Institute of Physics and Technology, at the CNRS Aimé Cotton Laboratory, and on other courses he has given over the last two decades.

Coherent Dynamics of Complex Quantum Systems

Vladimir M. Akulin
Coherent Dynamics of Complex Quantum Systems Book PDF

Author : Vladimir M. Akulin
Publisher : Springer Science & Business Media
Page : 477 pages
File Size : 50,5 Mb
Release : 2005-12-21
Category : Science
ISBN : 9783540292715

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Coherent Dynamics of Complex Quantum Systems by Vladimir M. Akulin Pdf

Coherent Dynamics of Complex Quantum Systems is aimed at senior-level undergraduate students in the areas of atomic, molecular, and laser physics, physical chemistry, quantum optics and quantum informatics. It should help them put particular problems in these fields into a broader scientific context and thereby take advantage of the well-elaborated technique of the adjacent fields.

Decoherence, Entanglement and Information Protection in Complex Quantum Systems

Vladimir M. Akulin,A. Sarfati,G. Kurizki,S. Pellegrin
Decoherence Entanglement and Information Protection in Complex Quantum Systems Book PDF

Author : Vladimir M. Akulin,A. Sarfati,G. Kurizki,S. Pellegrin
Publisher : Springer Science & Business Media
Page : 704 pages
File Size : 47,9 Mb
Release : 2005-12-15
Category : Science
ISBN : 9781402032837

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Decoherence, Entanglement and Information Protection in Complex Quantum Systems by Vladimir M. Akulin,A. Sarfati,G. Kurizki,S. Pellegrin Pdf

This book is a collection of articles on the contemporary status of quantum mechanics, dedicated to the fundamental issues of entanglement, decoherence, irreversibility, information processing, and control of quantum evolution, with a view of possible applications. It has multidisciplinary character and is addressed at a broad readership in physics, computer science, chemistry, and electrical engineering. It is written by the world-leading experts in pertinent fields such as quantum computing, atomic, molecular and optical physics, condensed matter physics, and statistical physics.

Coherent Dynamics of Complex Quantum Systems

Vladimir M. Akulin
Coherent Dynamics of Complex Quantum Systems Book PDF

Author : Vladimir M. Akulin
Publisher : Springer Science & Business Media
Page : 477 pages
File Size : 51,5 Mb
Release : 2005-09-13
Category : Science
ISBN : 9783540210528

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Coherent Dynamics of Complex Quantum Systems by Vladimir M. Akulin Pdf

Coherent Dynamics of Complex Quantum Systems is aimed at senior-level undergraduate students in the areas of atomic, molecular, and laser physics, physical chemistry, quantum optics and quantum informatics. It should help them put particular problems in these fields into a broader scientific context and thereby take advantage of the well-elaborated technique of the adjacent fields.

Complex Quantum Systems

Heinz Karl Heinrich Siedentop
Complex Quantum Systems Book PDF

Author : Heinz Karl Heinrich Siedentop
Publisher : World Scientific
Page : 303 pages
File Size : 45,6 Mb
Release : 2013
Category : Science
ISBN : 9789814460156

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Complex Quantum Systems by Heinz Karl Heinrich Siedentop Pdf

This volume is based on lectures given during the program Complex Quantum Systems held at the National University of Singapore's Institute for Mathematical Sciences from 17 February to 27 March 2010. It guides the reader through two introductory expositions on large Coulomb systems to five of the most important developments in the field: derivation of mean field equations, derivation of effective Hamiltonians, alternative high precision methods in quantum chemistry, modern many body methods originating from quantum information, and OCo the most complex OCo semirelativistic quantum electrodynamics.These introductions are written by leaders in their fields; amongst them are Volker Bach, Rafael Benguria, Thomas Chen, and Jan Philip Solovej. Together, they fill a gap between current textbooks and the vast modern literature on complex quantum systems.

Tunneling in Complex Systems

Steven Tomsovic
Tunneling in Complex Systems Book PDF

Author : Steven Tomsovic
Publisher : World Scientific
Page : 340 pages
File Size : 44,8 Mb
Release : 1998-06-19
Category : Science
ISBN : 9789814496254

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Tunneling in Complex Systems by Steven Tomsovic Pdf

Quantum tunneling is an intriguing phenomenon arising in a multitude of physical contexts. New experiments in systems as wide ranging as superdeformed nuclei, Bose-Einstein condensed gases, and nanomagnetic systems are spurring theoretical studies into the fundamental nature of tunneling. In this volume, the articles include: (i) tunneling out of a metastable state, (ii) coherence between two wells in tunneling contact, (iii) the consequences of the nature of the underlying dynamics (i.e. regular motion, chaos or some mixture) in low-dimensional systems and its connection to newly identified tunneling phenomena such as chaos-assisted tunneling, (iv) nanomagnetic systems with focus on comparing environmental descriptions of nuclear spins and oscillators, (v) solitons in Bose condensates, (vi) tunneling out of the nuclear superdeformed well and its use as a probe of pairing and chaos in excited nuclear states, and (vii) problems linked to the Bose condensed phase of atomic alkali gases. These subjects and others are gathered in six pedagogical courses given during the spring of 1997 at the National Institute of Nuclear Physics program “Tunneling in complex systems”. The purpose of the courses was to give graduate students and postdoctoral researchers exposure to a sampling of such recent theoretical advances and experimental contexts of tunneling as well as a bridge for the communication gaps between researchers in the various fields concerned with tunneling. Contents:Some General Aspects of Quantum Tunneling and Coherence: Application to the BEC Atomic Gases (A J Leggett)Tunneling in Two Dimensions (S C Creagh)Quantum Environments: Spin Baths, Oscillator Baths, and Applications to Quantum Magnetism (P C E Stamp)Coherent Magnetic Moment Reversal in Small Particles with Nuclear Spins (A Garg)Tunneling from Super- to Normal-Deformed Minima in Nuclei (T L Khoo)Solitons in the Bose Condensate (W P Reinhardt) Readership: Physicists in any domain working or interested in the theory of tunneling, BEC, superdeformation and nanomagnetic systems. Keywords:Tunneling;Coherence;Chaos;Quantum Environment;Spin Baths; Quantum Magnetism;Low-Dimensional Systems;Bose Condensates;Super-Deformed Nuclei;Non-Linear Schroedinger Equation;WKB Method;Instantons;Complex Systems;Solitons

Quantum Tunneling in Complex Systems

Joachim Ankerhold
Quantum Tunneling in Complex Systems Book PDF

Author : Joachim Ankerhold
Publisher : Springer
Page : 210 pages
File Size : 51,5 Mb
Release : 2007-04-20
Category : Science
ISBN : 9783540680765

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Quantum Tunneling in Complex Systems by Joachim Ankerhold Pdf

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. There is particular emphasis on a dynamical formulation and relations to specific systems in mesoscopic, molecular, atomic and nuclear physics.

Information Dynamics

Thomas Dittrich
Information Dynamics Book PDF

Author : Thomas Dittrich
Publisher : Springer Nature
Page : 567 pages
File Size : 40,5 Mb
Release : 2022-11-23
Category : Science
ISBN : 9783030967451

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Information Dynamics by Thomas Dittrich Pdf

This wide-ranging book introduces information as a key concept not only in physics, from quantum mechanics to thermodynamics, but also in the neighboring sciences and in the humanities. The central part analyzes dynamical processes as manifestations of information flows between microscopic and macroscopic scales and between systems and their environment. Quantum mechanics is interpreted as a reconstruction of mechanics based on fundamental limitations of information processing on the smallest scales. These become particularly manifest in quantum chaos and in quantum computing. Covering subjects such as causality, prediction, undecidability, chaos, and quantum randomness, the book also provides an information-theoretical view of predictability. More than 180 illustrations visualize the concepts and arguments. The book takes inspiration from the author's graduate-level topical lecture but is also well suited for undergraduate studies and is a valuable resource for researchers and professionals.

The Transition to Chaos

Linda Reichl
The Transition to Chaos Book PDF

Author : Linda Reichl
Publisher : Springer Nature
Page : 555 pages
File Size : 47,9 Mb
Release : 2021-04-12
Category : Science
ISBN : 9783030635343

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The Transition to Chaos by Linda Reichl Pdf

Based on courses given at the universities of Texas and California, this book treats an active field of research that touches upon the foundations of physics and chemistry. It presents, in as simple a manner as possible, the basic mechanisms that determine the dynamical evolution of both classical and quantum systems in sufficient generality to include quantum phenomena. The book begins with a discussion of Noether's theorem, integrability, KAM theory, and a definition of chaotic behavior; continues with a detailed discussion of area-preserving maps, integrable quantum systems, spectral properties, path integrals, and periodically driven systems; and concludes by showing how to apply the ideas to stochastic systems. The presentation is complete and self-contained; appendices provide much of the needed mathematical background, and there are extensive references to the current literature; while problems at the ends of chapters help students clarify their understanding. This new edition has an updated presentation throughout, and a new chapter on open quantum systems.

Statistical Benchmarks for Quantum Transport in Complex Systems

Mattia Walschaers
Statistical Benchmarks for Quantum Transport in Complex Systems Book PDF

Author : Mattia Walschaers
Publisher : Springer
Page : 450 pages
File Size : 54,7 Mb
Release : 2018-07-31
Category : Science
ISBN : 9783319931517

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Statistical Benchmarks for Quantum Transport in Complex Systems by Mattia Walschaers Pdf

This book introduces a variety of statistical tools for characterising and designing the dynamical features of complex quantum systems. These tools are applied in the contexts of energy transfer in photosynthesis, and boson sampling. In dynamical quantum systems, complexity typically manifests itself via the interference of a rapidly growing number of paths that connect the initial and final states. The book presents the language of graphs and networks, providing a useful framework to discuss such scenarios and explore the rich phenomenology of transport phenomena. As the complexity increases, deterministic approaches rapidly become intractable, which leaves statistics as a viable alternative.

Quantum Modeling of Complex Molecular Systems

Jean-Louis Rivail,Manuel Ruiz-Lopez,Xavier Assfeld
Quantum Modeling of Complex Molecular Systems Book PDF

Author : Jean-Louis Rivail,Manuel Ruiz-Lopez,Xavier Assfeld
Publisher : Springer
Page : 523 pages
File Size : 46,8 Mb
Release : 2015-10-13
Category : Science
ISBN : 9783319216263

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Quantum Modeling of Complex Molecular Systems by Jean-Louis Rivail,Manuel Ruiz-Lopez,Xavier Assfeld Pdf

This multi-author contributed volume includes methodological advances and original applications to actual chemical or biochemical phenomena which were not possible before the increased sophistication of modern computers. The chapters contain detailed reviews of the developments of various computational techniques, used to study complex molecular systems such as molecular liquids and solutions (particularly aqueous solutions), liquid-gas, solid-gas interphase and biomacromolecular systems. Quantum modeling of complex molecular systems is a useful resource for graduate students and fledgling researchers and is also an excellent companion for research professionals engaged in computational chemistry, material science, nanotechnology, physics, drug design, and molecular biochemistry.

Dynamics and Characterization of Composite Quantum Systems

Manuel Gessner
Dynamics and Characterization of Composite Quantum Systems Book PDF

Author : Manuel Gessner
Publisher : Springer
Page : 347 pages
File Size : 44,6 Mb
Release : 2016-10-03
Category : Science
ISBN : 9783319444598

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Dynamics and Characterization of Composite Quantum Systems by Manuel Gessner Pdf

This thesis sheds new light on the fascinating properties of composite quantum systems. Quantum systems of different sizes, ranging from small bipartite systems to large many-body ensembles, can be studied with the help of modern quantum optical experiments. These experiments make it possible to observe a broad variety of striking features, including nonclassical correlations, complex dynamics and quantum phase transitions. By adopting the complementary perspectives of quantum information theory, quantum chemistry and many-body theory, the thesis develops new methods for the efficient characterization and description of interacting, composite quantum systems.

Non-perturbative Description of Quantum Systems

Ilya Feranchuk,Alexey Ivanov,Van-Hoang Le,Alexander Ulyanenkov
Non perturbative Description of Quantum Systems Book PDF

Author : Ilya Feranchuk,Alexey Ivanov,Van-Hoang Le,Alexander Ulyanenkov
Publisher : Springer
Page : 362 pages
File Size : 52,8 Mb
Release : 2014-12-18
Category : Science
ISBN : 9783319130064

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Non-perturbative Description of Quantum Systems by Ilya Feranchuk,Alexey Ivanov,Van-Hoang Le,Alexander Ulyanenkov Pdf

This book introduces systematically the operator method for the solution of the Schrödinger equation. This method permits to describe the states of quantum systems in the entire range of parameters of Hamiltonian with a predefined accuracy. The operator method is unique compared with other non-perturbative methods due to its ability to deliver in zeroth approximation the uniformly suitable estimate for both ground and excited states of quantum system. The method has been generalized for the application to quantum statistics and quantum field theory. In this book, the numerous applications of operator method for various physical systems are demonstrated. Simple models are used to illustrate the basic principles of the method which are further used for the solution of complex problems of quantum theory for many-particle systems. The results obtained are supplemented by numerical calculations, presented as tables and figures.

Quantum Efficiency in Complex Systems

Uli Wu rfel,Michael Thorwart,Eicke R. Weber
Quantum Efficiency in Complex Systems Book PDF

Author : Uli Wu rfel,Michael Thorwart,Eicke R. Weber
Publisher : Academic Press
Page : 377 pages
File Size : 54,7 Mb
Release : 2011
Category : Quantum theory
ISBN : 9780123910608

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Quantum Efficiency in Complex Systems by Uli Wu rfel,Michael Thorwart,Eicke R. Weber Pdf

Summary: Radiationless transfer of excitation energy is at the hear of many processes in quantum physics, chemistry and nanotechnology. Currently, the standard picture of an incoherent Förster resonant excitation transfer is being challenged by the experimental findings of a long-lived quantum mechanical coherence in biomolecular light harvesting complexes. The role of this in molecular aggregates is addressed in the first part of this volume. Utilizing some of the underlying principles to optimize nano scale devices, the second part addresses systems of colloid quantum dots and polymer based organic solar cells.

Quantum Systems in Chemistry and Physics

Alfonso Hernández-Laguna,J. Maruani,R. McWeeny,Stephen Wilson
Quantum Systems in Chemistry and Physics Book PDF

Author : Alfonso Hernández-Laguna,J. Maruani,R. McWeeny,Stephen Wilson
Publisher : Springer Science & Business Media
Page : 400 pages
File Size : 55,9 Mb
Release : 2006-04-11
Category : Science
ISBN : 9780306481451

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Quantum Systems in Chemistry and Physics by Alfonso Hernández-Laguna,J. Maruani,R. McWeeny,Stephen Wilson Pdf

These two volumes collect forty-four selected papers from the scientific contributions presented at the Third European Workshop on Quantum Systems in Chemistry and Physics, held in Granada (Spain), April 19–22, 1998. Ninety-nine scientists from Bulgaria, Columbia, Cuba, Denmark, Finland, France, Germany, Hungary, Israel, Italy, Mexico, Netherlands, Norway, Poland, Russia, Slovakia, Spain, Sweden, United Ki- dom, Uruguay and Venezuela attended the workshop, discussing the state of the art, new trends, and future evolution of the methods and applications. The workshop took place at the ‘Los Alixares’ Hotel, where 45 lectures were given by prominent members of the scientific community; in addition, 49 posters were presented in two very animated sessions. The success of this workshop is due, without doubt, to the excellent tradition initiated at the previous workshops, organised by Prof. R. McWeeny in San Miniato, Pisa (Italy), 1996, and by Prof. S. Wilson in Oxford (United Kingdom), 1997. These workshops create occasions for meetings and disc- sions on the current state of the art, emerging methods and applications and new trends in this area of science. The three meetings were sponsored and partially supported by the European Union (EU) in the frame of the Cooperation in Science and Technology (COST) chemistry actions.