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 : 596 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 596 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.

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 : Alexander Leonidovich Kuzemsky
Publisher : World Scientific
ISBN 13 : 981314565X
Total Pages : 1259 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 : Alexander Leonidovich Kuzemsky

Download or read book Statistical Mechanics And The Physics Of Many-particle Model Systems written by Alexander Leonidovich Kuzemsky and published by World Scientific. This book was released on 2017-02-24 with total page 1259 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.

International Tables for Crystallography, Volume I

Author : Christopher Chantler
Publisher : John Wiley & Sons
ISBN 13 : 1119433940
Total Pages : 1090 pages
Book Rating : 4.1/5 (194 download)

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Book Synopsis International Tables for Crystallography, Volume I by : Christopher Chantler

Download or read book International Tables for Crystallography, Volume I written by Christopher Chantler and published by John Wiley & Sons. This book was released on 2024-08-19 with total page 1090 pages. Available in PDF, EPUB and Kindle. Book excerpt: X-ray absorption spectroscopy and X-ray emission spectroscopy are complementary to crystallographic methods, particularly for materials science and the study of nanostructure and systems with partial disorder and partial local order, including solutions, gases, liquids, glasses and powders. This new volume of International Tables for Crystallography has nine parts and over 150 chapters contributed by a wide range of international experts. Part 1 provides a brief overview and introduction to the background of X-ray absorption spectroscopy (XAS) and experimental facilities. Part 2 discusses the quantum theory of XAS and related approaches. Part 3 describes both standard and advanced experimental methods used in XAS, X-ray emission spectroscopy (XES) and related techniques. Part 4 covers both standard and more advanced pre-processing of data. Part 5 gives an extensive overview of the analysis of experimental data. Part 6 provides details of the major software packages for data collection, reduction and analysis. Part 7 outlines the importance in science, reporting and hypothesis testing of the exchange of input and processed output data, and data deposition. It also presents excerpts of tables of data and supplementary material for XAS, pre-edge studies, X-ray absorption near-edge spectroscopy (XANES) and X-ray absorption fine structure (XAFS) studies. These tables are also available in full as online supporting information. Part 8 explores a wide range of applications of XAS in fields including materials science, physics, chemistry, biology, earth sciences, catalysis and cultural heritage. Part 9 presents definitions of the terms and quantities used, as developed by the International Union of Crystallography's Commission on XAFS. The volume has been written for the worldwide XAS community of thousands of practitioners, beamline scientists, experts and academics, and for the novice user who wishes to know what XAS and XES can do for them and how they may use these techniques for their particular purposes. The volume is therefore intended to be a self-contained, authoritative reference work that can also be used for training, learning or teaching, providing practical guidance for readers of all levels of experience. More information on the volumes in the series International Tables for Crystallography can be found at https://it.iucr.org.

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.

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 : 397 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 397 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.

Silicene

Author : Patrick Vogt
Publisher : Springer
ISBN 13 : 3319999648
Total Pages : 285 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 285 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 - Reviews And Short Notes To Nanomeeting-2005

Author : Victor E Borisenko
Publisher : World Scientific
ISBN 13 : 9814480584
Total Pages : 630 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Physics, Chemistry And Application Of Nanostructures - Reviews And Short Notes To Nanomeeting-2005 by : Victor E Borisenko

Download or read book Physics, Chemistry And Application Of Nanostructures - Reviews And Short Notes To Nanomeeting-2005 written by Victor E Borisenko and published by World Scientific. This book was released on 2005-04-28 with total page 630 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.

Nuclear Science Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 680 pages
Book Rating : 4.E/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 with total page 680 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 2023-09-20 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

Many-Body Methods for Atoms, Molecules and Clusters

Author : Jochen Schirmer
Publisher : Springer
ISBN 13 : 3319936026
Total Pages : 330 pages
Book Rating : 4.3/5 (199 download)

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Book Synopsis Many-Body Methods for Atoms, Molecules and Clusters by : Jochen Schirmer

Download or read book Many-Body Methods for Atoms, Molecules and Clusters written by Jochen Schirmer and published by Springer. This book was released on 2018-11-02 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an introduction to many-body methods for applications in quantum chemistry. These methods, originating in field-theory, offer an alternative to conventional quantum-chemical approaches to the treatment of the many-electron problem in molecules. Starting with a general introduction to the atomic and molecular many-electron problem, the book then develops a stringent formalism of field-theoretical many-body theory, culminating in the diagrammatic perturbation expansions of many-body Green's functions or propagators in terms of Feynman diagrams. It also introduces and analyzes practical computational methods, such as the field-tested algebraic-diagrammatic construction (ADC) schemes. The ADC concept can also be established via a wave-function based procedure, referred to as intermediate state representation (ISR), which bridges the gap between propagator and wave-function formulations. Based on the current rapid increase in computer power and the development of efficient computational methods, quantum chemistry has emerged as a potent theoretical tool for treating ever-larger molecules and problems of chemical and physical interest. Offering an introduction to many-body methods, this book appeals to advanced students interested in an alternative approach to the many-electron problem in molecules, and is suitable for any courses dealing with computational methods in quantum chemistry.

Electronic Structure

Author : Richard M. Martin
Publisher : Cambridge University Press
ISBN 13 : 1108429904
Total Pages : 791 pages
Book Rating : 4.1/5 (84 download)

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Book Synopsis Electronic Structure by : Richard M. Martin

Download or read book Electronic Structure written by Richard M. Martin and published by Cambridge University Press. This book was released on 2020-08-27 with total page 791 pages. Available in PDF, EPUB and Kindle. Book excerpt: An authoritative text in condensed matter physics, unifying theory and methods to present electronic structure to students and researchers.

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.

New Frontiers in Multiscale Modelling of Advanced Materials

Author : Simone Taioli
Publisher : Frontiers Media SA
ISBN 13 : 2889197557
Total Pages : 93 pages
Book Rating : 4.8/5 (891 download)

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Book Synopsis New Frontiers in Multiscale Modelling of Advanced Materials by : Simone Taioli

Download or read book New Frontiers in Multiscale Modelling of Advanced Materials written by Simone Taioli and published by Frontiers Media SA. This book was released on 2016-01-22 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atomistic simulations, based on ab-initio and semi-empirical approaches, are nowadays widespread in many areas of physics, chemistry and, more recently, biology. Improved algorithms and increased computational power widened the areas of application of these computational methods to extended materials of technological interest, in particular allowing unprecedented access to the first-principles investigation of their electronic, optical, thermodynamical and mechanical properties, even where experiments are not available. However, for a big impact on the society, this rapidly growing field of computational approaches to materials science has to face the unfavourable scaling with the system size, and to beat the time-scale bottleneck. Indeed, many phenomena, such as crystal growth or protein folding for example, occur in a space/time scale which is normally out of reach of present simulations. Multi-scale approaches try to combine different scale algorithms along with matching procedures in order to bridge the gap between first-principles and continuum-level simulations. This Research Topic aims at the description of recent advances and applications in these two emerging fields of ab-inito and multi-scale materials modelling for both ground and excited states. A variety of theoretical and computational techniques are included along with the application of these methods to systems at increasing level of complexity, from nano to micro. Crossing the borders between several computational, theoretical and experimental techniques, this Research Topic aims to be of interest to a broad community, including experimental and theoretical physicists, chemists and engineers interested in materials research in a broad sense.