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Author : PIRES
Publisher :
ISBN 13 : 9780750338806
Total Pages : pages
Book Rating : 4.3/5 (388 download)
Download or read book Theoretical Tools Spin Models Magnetic written by PIRES and published by . This book was released on 2021-04-08 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Antonio Sergio Teixeira Pires
Publisher :
ISBN 13 : 9780750338790
Total Pages : 0 pages
Book Rating : 4.3/5 (387 download)
Download or read book Theoretical Tools for Spin Models in Magnetic Systems written by Antonio Sergio Teixeira Pires and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Antonio Sergio Teixeira Pires
Publisher : IOP Publishing Limited
ISBN 13 : 9780750338776
Total Pages : 167 pages
Book Rating : 4.3/5 (387 download)
Download or read book Theoretical Tools for Spin Models in Magnetic Systems written by Antonio Sergio Teixeira Pires and published by IOP Publishing Limited. This book was released on 2021-04-08 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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. Key Features Presents several kinds of spin wave theories. Extensively discusses Schwinger bosons. Includes studies of linear response theory, the Kubo formalism and several kinds of Green's function. Provides an introduction to spin liquids and the magnon quantum Hall effect. Provides worked examples of how the theories are applied to spin models.
Author : Assa Auerbach
Publisher : Springer Science & Business Media
ISBN 13 : 1461208696
Total Pages : 249 pages
Book Rating : 4.4/5 (612 download)
Download or read book Interacting Electrons and Quantum Magnetism written by Assa Auerbach and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the excitement and rapid pace of developments, writing pedagogical texts has low priority for most researchers. However, in transforming my lecture l notes into this book, I found a personal benefit: the organization of what I understand in a (hopefully simple) logical sequence. Very little in this text is my original contribution. Most of the knowledge was collected from the research literature. Some was acquired by conversations with colleagues; a kind of physics oral tradition passed between disciples of a similar faith. For many years, diagramatic perturbation theory has been the major theoretical tool for treating interactions in metals, semiconductors, itiner ant magnets, and superconductors. It is in essence a weak coupling expan sion about free quasiparticles. Many experimental discoveries during the last decade, including heavy fermions, fractional quantum Hall effect, high temperature superconductivity, and quantum spin chains, are not readily accessible from the weak coupling point of view. Therefore, recent years have seen vigorous development of alternative, nonperturbative tools for handling strong electron-electron interactions. I concentrate on two basic paradigms of strongly interacting (or con strained) quantum systems: the Hubbard model and the Heisenberg model. These models are vehicles for fundamental concepts, such as effective Ha miltonians, variational ground states, spontaneous symmetry breaking, and quantum disorder. In addition, they are used as test grounds for various nonperturbative approximation schemes that have found applications in diverse areas of theoretical physics.
Author : John W. Clark
Publisher : Springer
ISBN 13 :
Total Pages : 216 pages
Book Rating : 4.:/5 (44 download)
Download or read book Theory of Spin Lattices and Lattice Gauge Models written by John W. Clark and published by Springer. This book was released on 1997-08-19 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: The accomplishments and the available expertise of scientists working on spin systems, lattice gauge models, and quantum liquids and solids has culminated in an extraordinary opportunity for rapid and efficient development of realistic strategies and algorithms of ab initio theoretical analysis of conventional and exotic condensed-matter systems. This volume presents the latest results in the interdisciplinary field of lattice many-body systems. These include magnetism and phase transitions and lattice gauge problems in quantum field theory. Also treated are strongly correlated systems that help to unify many-body problems in solid-state physics, crystallography, and materials sciences and that helped their quantitative understanding.
Author : Sambhu N Datta
Publisher : World Scientific
ISBN 13 : 190897723X
Total Pages : 346 pages
Book Rating : 4.9/5 (89 download)
Download or read book Theoretical And Computational Aspects Of Magnetic Organic Molecules written by Sambhu N Datta and published by World Scientific. This book was released on 2013-12-23 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: Organic materials with extraordinary magnetic properties promise a wide range of light, flexible, and inexpensive alternatives to familiar metal-based magnets. Individual organic molecules with high magnetic moments will be the foundation for design and fabrication of these materials.This book provides a systematic understanding of the structure and properties of organic magnetic molecules. After a summary of the phenomenon of magnetism at the molecular level, it presents a survey of the challenges to theoretical description and evaluation of the magnetic character of open-shell molecules, and an overview of recently developed methods and their successes and shortfalls. Several fields of application, including very strong organic molecular magnets and photo-magnetic switches, are surveyed. Finally, discussions on metal-based materials and simultaneously semiconducting and ferromagnetic extended systems and solids point the way toward future advances.The reader will find a comprehensive discourse on current understanding of magnetic molecules, a thorough survey of computational methods of characterizing known and imagined molecules, simple rules for design of larger magnetic systems, and a guide to opportunities for progress toward organic magnets.
Author : Vincenzo Barone
Publisher : John Wiley & Sons
ISBN 13 : 1118008715
Total Pages : 608 pages
Book Rating : 4.1/5 (18 download)
Download or read book Computational Strategies for Spectroscopy written by Vincenzo Barone and published by John Wiley & Sons. This book was released on 2011-11-01 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational spectroscopy is a rapidly evolving field that is becoming a versatile and widespread tool for the assignment of experimental spectra and their interpretation as related to chemical physical effects. This book is devoted to the most significant methodological contributions in the field, and to the computation of IR, UV-VIS, NMR and EPR spectral parameters with reference to the underlying vibronic and environmental effects. Each section starts with a chapter written by an experimental spectroscopist dealing with present challenges in the different fields; comprehensive coverage of conventional and advanced spectroscopic techniques is provided by means of dedicated chapters written by experts. Computational chemists, analytical chemists and spectroscopists, physicists, materials scientists, and graduate students will benefit from this thorough resource.
Author : Fishman Randy S
Publisher :
ISBN 13 : 9781643271132
Total Pages : 0 pages
Book Rating : 4.2/5 (711 download)
Download or read book Spin-Wave Theory and Its Applications to Neutron Scattering and THz Spectroscopy written by Fishman Randy S and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. Politzer
Publisher : Elsevier
ISBN 13 : 0080536700
Total Pages : 419 pages
Book Rating : 4.0/5 (85 download)
Download or read book Modern Density Functional Theory: A Tool For Chemistry written by P. Politzer and published by Elsevier. This book was released on 1995-01-27 with total page 419 pages. Available in PDF, EPUB and Kindle. Book excerpt: Density Functional Theory (DFT) is currently receiving a great deal of attention as chemists come to realize its important role as a tool for chemistry. This book covers the theoretical principles of DFT, and details its application to several contemporary problems. All current techniques are covered, many are critically assessed, and some proposals for the future are reviewed. The book demonstrates that DFT is a practical solution to the problems standard ab initio methods have with chemical accuracy.The book is aimed at both the theoretical chemist and the experimentalist who want to relate their experiments to the governing theory. It will prove a useful and enduring reference work.
Author : Klaus D. Sattler
Publisher : CRC Press
ISBN 13 : 1420075519
Total Pages : 782 pages
Book Rating : 4.4/5 (2 download)
Download or read book Handbook of Nanophysics written by Klaus D. Sattler and published by CRC Press. This book was released on 2010-09-17 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many bottom-up and top-down techniques for nanomaterial and nanostructure generation have enabled the development of applications in nanoelectronics and nanophotonics. Handbook of Nanophysics: Nanoelectronics and Nanophotonics explores important recent applications of nanophysics in the areas of electronics and photonics. Each peer-reviewed c
Author : Almadena Chtchelkanova
Publisher : Springer Science & Business Media
ISBN 13 : 1461502195
Total Pages : 589 pages
Book Rating : 4.4/5 (615 download)
Download or read book Magnetic Interactions and Spin Transport written by Almadena Chtchelkanova and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 589 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stuart Wolf This book originated as a series of lectures that were given as part of a Summer School on Spintronics in the end of August, 1998 at Lake Tahoe, Nevada. It has taken some time to get these lectures in a form suitable for this book and so the process has been an iterative one to provide current information on the topics that are covered. There are some topics that have developed in the intervening years and we have tried to at least alert the readers to them in the Introduction where a rather complete set of references is provided to the current state of the art. The field of magnetism, once thought to be dead or dying, has seen a remarkable rebirth in the last decade and promises to get even more important as we enter the new millennium. This rebirth is due to some very new insight into how the spin degree of freedom of both electrons and nucleons can play a role in a new type of electronics that utilizes the spin in addition to or in place of the charge. For this new field to mature and prosper, it is important that students and postdoctoral fellows have access to the appropriate literature that can give them a sound basis in the funda mentals of this new field and I hope that this book is a very good start in this direction.
Author : Efthimios Kaxiras
Publisher : Cambridge University Press
ISBN 13 : 0521117119
Total Pages : 679 pages
Book Rating : 4.5/5 (211 download)
Download or read book Quantum Theory of Materials written by Efthimios Kaxiras and published by Cambridge University Press. This book was released on 2019-06-06 with total page 679 pages. Available in PDF, EPUB and Kindle. Book excerpt: An accessible overview of the concepts and tools essential to the physics of materials, with applications, exercises, and color figures.
Author : H. T. Diep
Publisher : World Scientific
ISBN 13 : 9814440744
Total Pages : 644 pages
Book Rating : 4.8/5 (144 download)
Download or read book Frustrated Spin Systems written by H. T. Diep and published by World Scientific. This book was released on 2013 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers all principal aspects of currently investigated frustrated systems, from exactly solved frustrated models to real experimental frustrated systems, going through renormalization group treatment, Monte Carlo investigation of frustrated classical Ising and vector spin models, low-dimensional systems, spin ice and quantum spin glass. The reader can OCo within a single book OCo obtain a global view of the current research development in the field of frustrated systems.This new edition is updated with recent theoretical, numerical and experimental developments in the field of frustrated spin systems. The first edition of the book appeared in 2005. In this edition, more recent works until 2012 are reviewed. It contains nine chapters written by researchers who have actively contributed to the field. Many results are from recent works of the authors.The book is intended for postgraduate students as well as researchers in statistical physics, magnetism, materials science and various domains where real systems can be described with the spin language. Explicit demonstrations of formulas and full arguments leading to important results are given where it is possible to do so."
Author :
Publisher : Elsevier
ISBN 13 : 0080457177
Total Pages : 349 pages
Book Rating : 4.0/5 (84 download)
Download or read book Nanomagnetism written by and published by Elsevier. This book was released on 2006-03-27 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoscience is of central importance in the physical and biological sciences and is now pervasive in technology. However nanomagnetism has a special role to play as magnetic properties depend uniquely on both dimensionality and lengthscales. Nanomagnetism is already central to data storage, sensor and device technologies but is increasingly being used in the life sciences and medicine. This volume aims to introduce scientists, computer scientists, engineers and technologists from diverse fields to this fascinating and technologically important new branch of nanoscience. The volume should appeal to both the interested general reader but also to the researcher wishing to obtain an overview of this fast moving field. The contributions come from acknowledged leaders in the field who each give authoritative accounts of key fundamental aspects of nanomagnetism to which they have themselves made a major contribution. After a brief introduction by the editors, Wu first surveys the fundamental properties of magnetic nanostructures. The interlayer exchange interactions within magnetic multilayer structures is next discussed by Stiles. Camley then discusses the static, dynamic and thermal properties of magnetic multilayers and nanostructures, followed by an account of the phenomenon of exchange anisotropy by Berkowitz and Kodama. This latter phenomenon is widely in current read head devices for example. The transport properties of nanostructures also are spectacular, and again underpin computer technology, as we see from the discussion of giant magnetoresistance (GMR) and tunnelling magnetoresistance (TMR) presented by Fert and his colleagues. Beyond GMR and TMR we look to the field of spintronics where new electronic devices are envisioned and for which quantumcomputing may depend as discussed in the chapter by Flatte and Jonker.The volume concludes with discussion of the recently discovered phenomenon of current induced switching of magnetization by Edwards and Mathon.* Subject is in the forefront of nanoscience* All Section authors are leading figures in this key field* Presentations are accessible to non specialists, with focus on underlying fundamentals
Author : Philippe Kalck
Publisher : Springer Nature
ISBN 13 : 3031322509
Total Pages : 241 pages
Book Rating : 4.0/5 (313 download)
Download or read book Modes of Cooperative Effects in Dinuclear Complexes written by Philippe Kalck and published by Springer Nature. This book was released on 2023-05-23 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents recent advances in dinuclear complexes in which the metal-metal cooperative effect operates for obtaining substrate activation and high performance catalysts. Catalysis continues to be a fast expanding area to design efficient tools in synthesis and in industrial chemistry. It allows performing syntheses with short reaction times, atom economy, reduced consumption of energy and loss of reagents, and low level of wastes. Dinuclear complexes are known to be more efficient than the mononuclear analogues for the reaction rates and the selectivities. This book analyses the latest research, focusing on the key concepts, in building and using these dinuclear complexes. The book is aimed at researchers, graduate students and chemists at all levels in academia and industry.
Author : Maria Bałanda
Publisher : MDPI
ISBN 13 : 3038977101
Total Pages : 166 pages
Book Rating : 4.0/5 (389 download)
Download or read book Molecular Magnets written by Maria Bałanda and published by MDPI. This book was released on 2019-03-19 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Molecular magnets show many properties not met in conventional metallic magnetic materials, i.e. low density, transparency to electromagnetic radiation, sensitivity to external stimuli such as light, pressure, temperature, chemical modification or magnetic/electric fields, and others. They can serve as “functional” materials in sensors of different types or be applied in high-density magnetic storage or nanoscale devices. Research into molecule-based materials became more intense at the end of the 20th century and is now an important branch of modern science. The articles in this Special Issue, written by physicists and chemists, reflect the current work on molecular magnets being carried out in several research centers. Theoretical papers in the issue concern the influence of spin anisotropy in the low dimensional lattice of the resulting type of magnet, as well as thermodynamics and magnetic excitations in spin trimers. The impact of external pressure on structural and magnetic properties and its underlying mechanisms is described using the example of Prussian blue analogue data. The other functionality discussed is the magnetocaloric effect, investigated in coordination polymers and high spin clusters. In this issue, new molecular magnets are presented: (i) ferromagnetic high-spin [Mn6] single-molecule magnets, (ii) solvatomagnetic compounds changing their structure and magnetism dependent on water content, and (iii) a family of purely organic magnetic materials. Finally, an advanced calorimetric study of anisotropy in magnetic molecular superconductors is reviewed.
Author : Viktor Dotsenko
Publisher : World Scientific
ISBN 13 : 9789810218737
Total Pages : 172 pages
Book Rating : 4.2/5 (187 download)
Download or read book An Introduction to the Theory of Spin Glasses and Neural Networks written by Viktor Dotsenko and published by World Scientific. This book was released on 1994 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book aims to describe in simple terms the new area of statistical mechanics known as spin-glasses, encompassing systems in which quenched disorder is the dominant factor. The book begins with a non-mathematical explanation of the problem, and the modern understanding of the physics of the spin-glass state is formulated in general terms. Next, the 'magic' of the replica symmetry breaking scheme is demonstrated and the physics behind it discussed. Recent experiments on real spin-glass materials are briefly described to demonstrate how this somewhat abstract physics can be studied in the laboratory. The final chapters of the book are devoted to statistical models of neural networks.The material here is self-contained and should be accessible to students with a basic knowledge of theoretical physics and statistical mechanics. It has been used for a one-term graduate lecture course at the Landau Institute for Theoretical Physics.
