Many Body Approach To Electronic Excitations

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Many-Body Approach to Electronic Excitations

Author : Friedhelm Bechstedt
Publisher : Springer
ISBN 13 : 366244593X
Total Pages : 584 pages
Book Rating : 4.6/5 (624 download)

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Book Synopsis Many-Body Approach to Electronic Excitations by : Friedhelm Bechstedt

Download or read book Many-Body Approach to Electronic Excitations written by Friedhelm Bechstedt and published by Springer. This book was released on 2014-12-01 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: The many-body-theoretical basis and applications of theoretical spectroscopy of condensed matter, e.g. crystals, nanosystems, and molecules are unified in one advanced text for readers from graduate students to active researchers in the field. The theory is developed from first principles including fully the electron-electron interaction and spin interactions. It is based on the many-body perturbation theory, a quantum-field-theoretical description, and Green's functions. The important expressions for ground states as well as electronic single-particle and pair excitations are explained. Based on single-particle and two-particle Green's functions, the Dyson and Bethe-Salpeter equations are derived. They are applied to calculate spectral and response functions. Important spectra are those which can be measured using photoemission/inverse photoemission, optical spectroscopy, and electron energy loss/inelastic X-ray spectroscopy. Important approximations are derived and discussed in the light of selected computational and experimental results. Some numerical implementations available in well-known computer codes are critically discussed. The book is divided into four parts: (i) In the first part the many-electron systems are described in the framework of the quantum-field theory. The electron spin and the spin-orbit interaction are taken into account. Sum rules are derived. (ii) The second part is mainly related to the ground state of electronic systems. The total energy is treated within the density functional theory. The most important approximations for exchange and correlation are delighted. (iii) The third part is essentially devoted to the description of charged electronic excitations such as electrons and holes. Central approximations as Hedin's GW and the T-matrix approximation are discussed.(iv) The fourth part is focused on response functions measured in optical and loss spectroscopies and neutral pair or collective excitations.

Relativistic Many-Body Theory

Author : Ingvar Lindgren
Publisher : Springer
ISBN 13 : 3319153862
Total Pages : 406 pages
Book Rating : 4.3/5 (191 download)

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Book Synopsis Relativistic Many-Body Theory by : Ingvar Lindgren

Download or read book Relativistic Many-Body Theory written by Ingvar Lindgren and published by Springer. This book was released on 2016-04-28 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: This revised second edition of the author’s classic text offers readers a comprehensively updated review of relativistic atomic many-body theory, covering the many developments in the field since the publication of the original title. In particular, a new final section extends the scope to cover the evaluation of QED effects for dynamical processes. The treatment of the book is based upon quantum-field theory, and demonstrates that when the procedure is carried to all orders of perturbation theory, two-particle systems are fully compatible with the relativistically covariant Bethe-Salpeter equation. This procedure can be applied to arbitrary open-shell systems, in analogy with the standard many-body theory, and it is also applicable to systems with more than two particles. Presently existing theoretical procedures for treating atomic systems are, in several cases, insufficient to explain the accurate experimental data recently obtained, particularly for highly charged ions. The main text is divided into three parts. In Part I, the standard time-independent and time-dependent perturbation procedures are reviewed. This includes a new section at the end of chapter 2 concerning the so-called ”Fock-space procedure” or ”Coulomb-only procedure” for relativistic-QED calculations . This is a procedure on an intermediate level, frequently used in recent time by chemists on molecular systems, where a full QED treatment is out of question. Part II describes three methods for QED calculations, a) the standard S-matrix formulation, b) the Two-times Green’s-function method, developed by the St Petersburg Atomic Theory group, and c) the Covariant-evolution operator (CEO) method, recently developed by the Gothenburg Atomic Theory group. In Part III, the CEO method is combined with electron correlation to arbitrary order to a unified MBPT-QED procedure. The new Part IV includes two new chapters dealing with dynamical properties and how QED effects can be evaluated for such processes. This part is much needed as there has been an increasing interest in the study of QED effects for such processes. All methods treated in the book are illustrated with numerical examples, making it a text suitable for advanced students new to the field and a useful reference for established researchers.

Interacting Electrons

Author : Richard M. Martin
Publisher : Cambridge University Press
ISBN 13 : 1316558568
Total Pages : 843 pages
Book Rating : 4.3/5 (165 download)

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Book Synopsis Interacting Electrons by : Richard M. Martin

Download or read book Interacting Electrons written by Richard M. Martin and published by Cambridge University Press. This book was released on 2016-06-30 with total page 843 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent progress in the theory and computation of electronic structure is bringing an unprecedented level of capability for research. Many-body methods are becoming essential tools vital for quantitative calculations and understanding materials phenomena in physics, chemistry, materials science and other fields. This book provides a unified exposition of the most-used tools: many-body perturbation theory, dynamical mean field theory and quantum Monte Carlo simulations. Each topic is introduced with a less technical overview for a broad readership, followed by in-depth descriptions and mathematical formulation. Practical guidelines, illustrations and exercises are chosen to enable readers to appreciate the complementary approaches, their relationships, and the advantages and disadvantages of each method. This book is designed for graduate students and researchers who want to use and understand these advanced computational tools, get a broad overview, and acquire a basis for participating in new developments.

Statistical Mechanics And The Physics Of Many-particle Model Systems

Author : Kuzemsky Alexander Leonidovich
Publisher : World Scientific
ISBN 13 : 981314565X
Total Pages : 1260 pages
Book Rating : 4.8/5 (131 download)

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Book Synopsis Statistical Mechanics And The Physics Of Many-particle Model Systems by : Kuzemsky Alexander Leonidovich

Download or read book Statistical Mechanics And The Physics Of Many-particle Model Systems written by Kuzemsky Alexander Leonidovich and published by World Scientific. This book was released on 2017-02-24 with total page 1260 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is devoted to the study of the correlation effects in many-particle systems. It presents the advanced methods of quantum statistical mechanics (equilibrium and nonequilibrium), and shows their effectiveness and operational ability in applications to problems of quantum solid-state theory, quantum theory of magnetism and the kinetic theory. The book includes description of the fundamental concepts and techniques of analysis following the approach of N N Bogoliubov's school, including recent developments. It provides an overview that introduces the main notions of quantum many-particle physics with the emphasis on concepts and models. This book combines the features of textbook and research monograph. For many topics the aim is to start from the beginning and to guide the reader to the threshold of advanced researches. Many chapters include also additional information and discuss many complex research areas which are not often discussed in other places. The book is useful for established researchers to organize and present the advanced material disseminated in the literature. The book contains also an extensive bibliography. The book serves undergraduate, graduate and postgraduate students, as well as researchers who have had prior experience with the subject matter at a more elementary level or have used other many-particle techniques.

Many-Body Quantum Theory in Condensed Matter Physics

Author : Henrik Bruus
Publisher : Oxford University Press
ISBN 13 : 0198566336
Total Pages : 458 pages
Book Rating : 4.1/5 (985 download)

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Book Synopsis Many-Body Quantum Theory in Condensed Matter Physics by : Henrik Bruus

Download or read book Many-Body Quantum Theory in Condensed Matter Physics written by Henrik Bruus and published by Oxford University Press. This book was released on 2004-09-02 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is an introduction to quantum field theory applied to condensed matter physics. The topics cover modern applications in electron systems and electronic properties of mesoscopic systems and nanosystems. The textbook is developed for a graduate or advanced undergraduate course with exercises which aim at giving students the ability to confront real problems.

Optics of Nanomaterials

Author : Vladimir I. Gavrilenko
Publisher : CRC Press
ISBN 13 : 1351358375
Total Pages : 322 pages
Book Rating : 4.3/5 (513 download)

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Book Synopsis Optics of Nanomaterials by : Vladimir I. Gavrilenko

Download or read book Optics of Nanomaterials written by Vladimir I. Gavrilenko and published by CRC Press. This book was released on 2019-11-08 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanomaterials are mainly categorized into three groups: fundamental building blocks, dispersions or composites of building blocks in randomly ordered matrices, and spatially resolved, ordered nanostructures. Today, nanomaterials that offer some unique optical properties may find application as pure materials or may be integrated into larger structures. This book presents examples of both pure and composite materials that include organic–inorganic nanocomposites and quantum dots embedded into different matrices for various applications in modern nanotechnology. This edition has been thoroughly revised and updated with the most recent developments in the field. The newly added introductory paragraphs will help students and young researchers in better understanding the chapters. The new sections on frequently used physical constants and units conversions as well as the updated bibliography add to the book’s utility. This textbook is unique compared with its counterparts in the market in respect of its scope as it contains introductory sections to the important topics on nanomaterial optics. This feature broadens its readership from engineers and researchers working in the field of materials science and optics, to lecturers, graduate students, and beginners who want to deepen their knowledge in nanomaterial optics.

Many-Body Methods for Atoms and Molecules

Author : Rajat Kumar Chaudhuri
Publisher : CRC Press
ISBN 13 : 1315356333
Total Pages : 161 pages
Book Rating : 4.3/5 (153 download)

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Book Synopsis Many-Body Methods for Atoms and Molecules by : Rajat Kumar Chaudhuri

Download or read book Many-Body Methods for Atoms and Molecules written by Rajat Kumar Chaudhuri and published by CRC Press. This book was released on 2017-02-17 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: Brings Readers from the Threshold to the Frontier of Modern Research Many-Body Methods for Atoms and Molecules addresses two major classes of theories of electron correlation: the many-body perturbation theory and coupled cluster methods. It discusses the issues related to the formal development and consequent numerical implementation of the methods from the standpoint of a practicing theoretician. The book will enable readers to understand the future development of state-of-the-art multi-reference coupled cluster methods as well as their perturbative counterparts. The book begins with an introduction to the issues relevant to the development of correlated methods in general. It next gives a formally rigorous treatment of aspects that pave the foundation toward the theoretical development of methods capable of tackling problems of electronic correlation. The authors go on to cover perturbation theory first in a fundamental way and then in the multi-reference context. They also describe the idea of state-specific theories, Fock space-based multi-reference coupled cluster methods, and basic issues of the single-reference coupled cluster method. The book concludes with state-of-the-art methods of modern electronic structure.

Crystallography in Materials Science

Author : Susan Schorr
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110674912
Total Pages : 369 pages
Book Rating : 4.1/5 (16 download)

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Book Synopsis Crystallography in Materials Science by : Susan Schorr

Download or read book Crystallography in Materials Science written by Susan Schorr and published by Walter de Gruyter GmbH & Co KG. This book was released on 2021-07-05 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: The knowledge about crystal structure and its correlation with physical properties is the prerequisite for designing new materials with taylored properties. This work provides for researchers and graduates a valuable resource on various techniques for crystal structure determinations. By discussing a broad range of different materials and tools the authors enable the understanding of why a material might be suitable for a particular application.

Many-Body Green’s Functions and the Bethe-Salpeter Equation in Chemistry: From Single Molecules to Complex Systems

Author : Bjoern Baumeier
Publisher : Frontiers Media SA
ISBN 13 : 2832502288
Total Pages : 110 pages
Book Rating : 4.8/5 (325 download)

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Book Synopsis Many-Body Green’s Functions and the Bethe-Salpeter Equation in Chemistry: From Single Molecules to Complex Systems by : Bjoern Baumeier

Download or read book Many-Body Green’s Functions and the Bethe-Salpeter Equation in Chemistry: From Single Molecules to Complex Systems written by Bjoern Baumeier and published by Frontiers Media SA. This book was released on 2022-10-13 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:

First Principles Approaches to Spectroscopic Properties of Complex Materials

Author : Cristiana Di Valentin
Publisher : Springer
ISBN 13 : 3642550681
Total Pages : 392 pages
Book Rating : 4.6/5 (425 download)

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Book Synopsis First Principles Approaches to Spectroscopic Properties of Complex Materials by : Cristiana Di Valentin

Download or read book First Principles Approaches to Spectroscopic Properties of Complex Materials written by Cristiana Di Valentin and published by Springer. This book was released on 2014-09-26 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: The series Topics in Current Chemistry presents critical reviews of the present and future trends in modern chemical research. The scope of coverage is all areas of chemical science including the interfaces with related disciplines such as biology, medicine and materials science. The goal of each thematic volume is to give the non-specialist reader, whether in academia or industry, a comprehensive insight into an area where new research is emerging which is of interest to a larger scientific audience. Each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years are presented using selected examples to illustrate the principles discussed. The coverage is not intended to be an exhaustive summary of the field or include large quantities of data, but should rather be conceptual, concentrating on the methodological thinking that will allow the non-specialist reader to understand the information presented. Contributions also offer an outlook on potential future developments in the field. Review articles for the individual volumes are invited by the volume editors. Readership: research chemists at universities or in industry, graduate students.

The Quantum Mechanics of Many-Body Systems

Author : D.J. Thouless
Publisher : Courier Corporation
ISBN 13 : 0486493571
Total Pages : 258 pages
Book Rating : 4.4/5 (864 download)

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Book Synopsis The Quantum Mechanics of Many-Body Systems by : D.J. Thouless

Download or read book The Quantum Mechanics of Many-Body Systems written by D.J. Thouless and published by Courier Corporation. This book was released on 2014-01-15 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Unabridged republication of the second edition of the work, originally published in the Pure and applied physics series by Academic Press, Inc., New York, in 1972"--Title page verso.

Silicene

Author : Patrick Vogt
Publisher : Springer
ISBN 13 : 3319999648
Total Pages : 276 pages
Book Rating : 4.3/5 (199 download)

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Book Synopsis Silicene by : Patrick Vogt

Download or read book Silicene written by Patrick Vogt and published by Springer. This book was released on 2018-11-02 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the processing and properties of silicene, including the historical and theoretical background of silicene, theoretical predictions, the synthesis and experimental properties of silicene and the potential applications and further developments. It also presents other similar monolayer materials, like germanene and phosphorene. Silicene, a new silicon allotrope with a graphene-like, honeycomb structure, has recently attracted considerable interest, because its topology affords it the same remarkable electronic properties as those of graphene. Additionally, silicene may have the potential advantage of being easily integrated in current Si-based nano/micro-electronics, offering novel technological applications. Silicene was theoretically conjectured a few years ago as a stand-alone material. However, it does not exist in nature and had to be synthesized on a substrate. It has since been successfully synthesized and multi-layer silicene structures are already being discussed. Within just a few years, silicene is now on the brink of technological applications in electronic devices.

Physics, Chemistry and Application of Nanostructures

Author : V E Borisenko
Publisher : World Scientific
ISBN 13 : 9814480584
Total Pages : 628 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Physics, Chemistry and Application of Nanostructures by : V E Borisenko

Download or read book Physics, Chemistry and Application of Nanostructures written by V E Borisenko and published by World Scientific. This book was released on 2005-04-28 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive volume presents invited reviews and short notes with exciting new results obtained in fabrication study and application of nanostructures, which promise a new generation of electronic and optoelectronic devices. The rapid progress in nanoelectronics and optoelectronics, molecular electronics and spintronics, nanotechnology and quantum processing of information are covered. Contents:Physics of NanostructuresSpintronicsChemistry of NanostructuresNanotechnologyNanostructure Based Devices Readership: Graduate students and researchers in nanoscience and nanotechnology. Keywords:Nanostructures;Nanotechnology;Quantum Computing;Bioinformatics;Nanoelectronics;Spintronics;NanophotonicsKey Features:Provides the most recent collection of results in the fieldCovers areas not presented in any other competing titleContributors are well-known specialists in the field

Introduction To Modern Methods Of Quantum Many-body Theory And Their Applications

Author : Adelchi Fabrocini
Publisher : World Scientific
ISBN 13 : 9814488135
Total Pages : 428 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Introduction To Modern Methods Of Quantum Many-body Theory And Their Applications by : Adelchi Fabrocini

Download or read book Introduction To Modern Methods Of Quantum Many-body Theory And Their Applications written by Adelchi Fabrocini and published by World Scientific. This book was released on 2002-08-19 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: This invaluable book contains pedagogical articles on the dominant nonstochastic methods of microscopic many-body theories — the methods of density functional theory, coupled cluster theory, and correlated basis functions — in their widest sense. Other articles introduce students to applications of these methods in front-line research, such as Bose-Einstein condensates, the nuclear many-body problem, and the dynamics of quantum liquids. These keynote articles are supplemented by experimental reviews on intimately connected topics that are of current relevance. The book addresses the striking lack of pedagogical reference literature in the field that allows researchers to acquire the requisite physical insight and technical skills. It should, therefore, provide useful reference material for a broad range of theoretical physicists in condensed-matter and nuclear theory.

Nuclear Science Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 912 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Nuclear Science Abstracts by :

Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976-05 with total page 912 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Materials Modeling

Author : Sidney Yip
Publisher : Springer Science & Business Media
ISBN 13 : 1402032862
Total Pages : 2903 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Handbook of Materials Modeling by : Sidney Yip

Download or read book Handbook of Materials Modeling written by Sidney Yip and published by Springer Science & Business Media. This book was released on 2007-11-17 with total page 2903 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first reference of its kind in the rapidly emerging field of computational approachs to materials research, this is a compendium of perspective-providing and topical articles written to inform students and non-specialists of the current status and capabilities of modelling and simulation. From the standpoint of methodology, the development follows a multiscale approach with emphasis on electronic-structure, atomistic, and mesoscale methods, as well as mathematical analysis and rate processes. Basic models are treated across traditional disciplines, not only in the discussion of methods but also in chapters on crystal defects, microstructure, fluids, polymers and soft matter. Written by authors who are actively participating in the current development, this collection of 150 articles has the breadth and depth to be a major contributor toward defining the field of computational materials. In addition, there are 40 commentaries by highly respected researchers, presenting various views that should interest the future generations of the community. Subject Editors: Martin Bazant, MIT; Bruce Boghosian, Tufts University; Richard Catlow, Royal Institution; Long-Qing Chen, Pennsylvania State University; William Curtin, Brown University; Tomas Diaz de la Rubia, Lawrence Livermore National Laboratory; Nicolas Hadjiconstantinou, MIT; Mark F. Horstemeyer, Mississippi State University; Efthimios Kaxiras, Harvard University; L. Mahadevan, Harvard University; Dimitrios Maroudas, University of Massachusetts; Nicola Marzari, MIT; Horia Metiu, University of California Santa Barbara; Gregory C. Rutledge, MIT; David J. Srolovitz, Princeton University; Bernhardt L. Trout, MIT; Dieter Wolf, Argonne National Laboratory.

Advances in Quantum Chemistry

Author :
Publisher : Elsevier
ISBN 13 : 0443186642
Total Pages : 400 pages
Book Rating : 4.4/5 (431 download)

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Book Synopsis Advances in Quantum Chemistry by :

Download or read book Advances in Quantum Chemistry written by and published by Elsevier. This book was released on 2023-09-28 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Quantum Chemistry, Volume 88 presents the latest ongoing research at the forefront of Electronic structure theory. Chapters in the updated release include Spin-constrained Hartree-Fock and the generator coordinate method for the 2-site Hubbard model, Analytical evaluation of Hylleraas-CI Coulomb and Hybrid two-center Integrals over Slater orbitals, Hartree-Fock-Roothaan Theory of Molecular Compton Profiles Via Position Space Method, Analysis of Research Trend on the Molecular Integrals Over Slater Type Orbitals, An efficient approximation for accelerating convergence of numerical power series, Results for the 1D-Schroedinger equation, The aims and objectives of algebraic molecular orbital theory, and much more. Includes new theoretical methods Provides state-of-the art electron correlation, methods and effects Covers the challenge of excited electronic states