New Methods In The Theory Of Quantum Spin Systems PDF Download
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Author | : Vladimir Vladimirovich Ulʹi͡a︡nov |
Publisher | : |
Total Pages | : 73 |
Release | : 1992 |
Genre | : Nuclear spin |
ISBN | : |
Download New Methods in the Theory of Quantum Spin Systems Book in PDF, ePub and Kindle
Author | : John B. Parkinson |
Publisher | : Springer Science & Business Media |
Total Pages | : 159 |
Release | : 2010-09-20 |
Genre | : Science |
ISBN | : 3642132898 |
Download An Introduction to Quantum Spin Systems Book in PDF, ePub and Kindle
The topic of lattice quantum spin systems is a fascinating and by now well established branch of theoretical physics. Based on a set of lectures, this book has a level of detail missing from others, and guides the reader through the fundamentals of the field.
Author | : Pieter Naaijkens |
Publisher | : Springer |
Total Pages | : 177 |
Release | : 2017-03-20 |
Genre | : Science |
ISBN | : 331951458X |
Download Quantum Spin Systems on Infinite Lattices Book in PDF, ePub and Kindle
This course-based primer offers readers a concise introduction to the description of quantum mechanical systems with infinitely many degrees of freedom – and quantum spin systems in particular – using the operator algebraic approach. Here, the observables are modeled using elements of some operator algebra, usually a C*-algebra. This text introduces readers to the framework and the necessary mathematical tools without assuming much mathematical background, making it more accessible than advanced monographs. The book also highlights the usefulness of the so-called thermodynamic limit of quantum spin systems, which is the limit of infinite system size. For example, this makes it possible to clearly distinguish between local and global properties, without having to keep track of the system size. Together with Lieb-Robinson bounds, which play a similar role in quantum spin systems to that of the speed of light in relativistic theories, this approach allows ideas from relativistic field theories to be implemented in a quantum spin system. Several related cases are discussed, demonstrating the merits of the operator algebraic approach. Featuring representative worked-out examples and many exercises, this text is primarily targeted at graduate students and advanced undergraduates in theoretical physics or mathematics with a keen interest in mathematical physics. The material provides the necessary background and pointers to start exploring the recent literature. As such, it will also be useful for active researchers seeking a quick and comparatively self-contained introduction to the operator algebraic approach to quantum spin systems.
Author | : Laurens Vanderstraeten |
Publisher | : Springer |
Total Pages | : 219 |
Release | : 2017-08-10 |
Genre | : Science |
ISBN | : 3319641913 |
Download Tensor Network States and Effective Particles for Low-Dimensional Quantum Spin Systems Book in PDF, ePub and Kindle
This thesis develops new techniques for simulating the low-energy behaviour of quantum spin systems in one and two dimensions. Combining these developments, it subsequently uses the formalism of tensor network states to derive an effective particle description for one- and two-dimensional spin systems that exhibit strong quantum correlations. These techniques arise from the combination of two themes in many-particle physics: (i) the concept of quasiparticles as the effective low-energy degrees of freedom in a condensed-matter system, and (ii) entanglement as the characteristic feature for describing quantum phases of matter. Whereas the former gave rise to the use of effective field theories for understanding many-particle systems, the latter led to the development of tensor network states as a description of the entanglement distribution in quantum low-energy states.
Author | : Shuang Cong |
Publisher | : John Wiley & Sons |
Total Pages | : 430 |
Release | : 2014-02-27 |
Genre | : Technology & Engineering |
ISBN | : 1118608151 |
Download Control of Quantum Systems Book in PDF, ePub and Kindle
Advanced research reference examining the closed and open quantum systems Control of Quantum Systems: Theory and Methods provides an insight into the modern approaches to control of quantum systems evolution, with a focus on both closed and open (dissipative) quantum systems. The topic is timely covering the newest research in the field, and presents and summarizes practical methods and addresses the more theoretical aspects of control, which are of high current interest, but which are not covered at this level in other text books. The quantum control theory and methods written in the book are the results of combination of macro-control theory and microscopic quantum system features. As the development of the nanotechnology progresses, the quantum control theory and methods proposed today are expected to be useful in real quantum systems within five years. The progress of the quantum control theory and methods will promote the progress and development of quantum information, quantum computing, and quantum communication. Equips readers with the potential theories and advanced methods to solve existing problems in quantum optics/information/computing, mesoscopic systems, spin systems, superconducting devices, nano-mechanical devices, precision metrology. Ideal for researchers, academics and engineers in quantum engineering, quantum computing, quantum information, quantum communication, quantum physics, and quantum chemistry, whose research interests are quantum systems control.
Author | : Andrei A. Zvyagin |
Publisher | : |
Total Pages | : 330 |
Release | : 2010-01-01 |
Genre | : Magnetism |
ISBN | : 9781904868859 |
Download Quantum Theory of One-dimensional Spin Systems Book in PDF, ePub and Kindle
Author | : Antonio Sergio Teixeira Pires |
Publisher | : |
Total Pages | : 0 |
Release | : 2021 |
Genre | : Condensed matter |
ISBN | : 9780750338790 |
Download Theoretical Tools for Spin Models in Magnetic Systems Book in PDF, ePub and Kindle
The book is dedicated to the study of theoretical tools in spin models in magnetism. The book presents the basic tools to treat spin models in magnetic systems such as: spin waves, Schwinger bosons formalism, Self-consistent harmonic approximation, Kubo theory, Perturbation theory using Green's function. Several examples where the theory is applied in modern research, are discussed. Some important areas of interest in magnetism today are spin liquids and magnon topological insulators. Both of these subjects are discussed in the book. The book has been written to help graduate students working in the area of spin models in magnetic systems. There are a lot of books that lead with Green's function, but a student has to study almost the whole book to grasp some idea of the theme. The same is true for the linear response theory and spin liquids. The author believes this book will enable students to start doing research in spin models without the need for extensive reading of the literature.
Author | : Gennady P. Berman |
Publisher | : Springer Science & Business Media |
Total Pages | : 279 |
Release | : 2008-10-04 |
Genre | : Science |
ISBN | : 3540484159 |
Download Crossover-Time in Quantum Boson and Spin Systems Book in PDF, ePub and Kindle
The authors compare classical and quantum dynamics in the quasiclassical region of parameters and under the condition of unstable (chaotic) classical behavior. They estimate the characteristic time-scale at which classical and quantum solutions start to differ significantly. The method is based on exact equations for time-dependent expectation values in boson and spin coherent states, and applies to rather general Hamiltonians with many degrees of freedom. The authors develop a consistent dynamical theory for quantum nonintegrable Hamiltonians and provide explicit examples of classical-quantum "crossover-time", a very common and fundamental phenomenon in quantum nonintegrable systems. This book can be recommended to graduate students and to specialists.
Author | : Young Suh Kim |
Publisher | : World Scientific |
Total Pages | : 382 |
Release | : 1997-04-11 |
Genre | : |
ISBN | : 9814546445 |
Download Quantum Systems: New Trends And Methods - Proceedings Of The International Workshop Book in PDF, ePub and Kindle
The purpose of the workshop is to discuss both local and global geometrical and topological effects in quantum systems, in the context of the new methods of investigation. The main topics are: non-perturbative methods in quantum theory; geometrical and topological effects in quantum dynamics; group-theoretical and algebraic methods in the theory of quantum systems; quantum systems in external fields and curved spaces; new results: from subnuclear physics to cosmology.
Author | : E. Brzin |
Publisher | : World Scientific |
Total Pages | : 1154 |
Release | : 1993 |
Genre | : Science |
ISBN | : 9789810204563 |
Download The Large N Expansion in Quantum Field Theory and Statistical Physics Book in PDF, ePub and Kindle
This book contains an edited comprehensive collection of reprints on the subject of the large N limit as applied to a wide spectrum of problems in quantum field theory and statistical mechanics. The topics include (1) Spin Systems; (2) Large N Limit of Gauge Theories; (3) Two-Dimensional QCD; (4) Exact Results on Planar Perturbation Series and the Nature of the 1/N Series; (5) Schwinger-Dyson Equations Approach; (6) QCD Phenomenological Lagrangians and the Large N Limit; (7) Other Approaches to Large N: Eguchi-Kawai Model, Collective Fields and Numerical Methods; (8) Matrix Models; (9) Two-Dimensional Gravity and String Theory.