Theory Of Itinerant Electron Magnetism
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Theory Of Itinerant Electron Magnetism
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Author : Jürgen Kübler
language : en
Publisher: Oxford University Press
Release Date : 2017-03-23
Theory Of Itinerant Electron Magnetism written by Jürgen Kübler and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-03-23 with Science categories.
This book, in the broadest sense, is an application of quantum mechanics and statistical mechanics to the field of magnetism. Under certain well described circumstances, an immensely large number of electrons moving in the solid state of matter will collectively produce permanent magnetism. Permanent magnets are of fundamental interest, and magnetic materials are also of great practical importance as they provide a large field of technological applications. The physical details describing the many electron problem of magnetism are presented in this book on the basis of the local density functional approximation. The emphasis is on realistic magnets, for which the equations describing the many electron problem can only be solved by using computers. The great, recent and continuing improvements of computers are, to a large extent, responsible for the progress in the field. Along with a detailed introduction to the density functional theory, this book presents representative computational methods and provides the reader with a complete computer programme for the determination of the electronic structure of a magnet on a PC. A large part of the book is devoted to a detailed treatment of the connections between electronic properties and magnetism, and how they differ in the various known magnetic systems. Current trends are exposed and explained for a large class of alloys and compounds. The modern field of artificially layered systems - known as multilayers - and their industrial applications are dealt with in detail. Finally, an attempt is made to relate the rich thermodynamic properties of magnets to the ab initio results originating from the electronic structure.
Theory Of Itinerant Electron Magnetism
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Author : Jürgen Kübler
language : en
Publisher: Oxford University Press
Release Date : 2021
Theory Of Itinerant Electron Magnetism written by Jürgen Kübler and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with Science categories.
This book, in the broadest sense, is an application of quantum mechanics and statistical mechanics to the field of magnetism. Under certain well described conditions, an immensely large number of electrons moving in the solid will collectively produce permanent magnetism. Permanent magnets are of fundamental interest, and magnetic materials are of great practical importance as they provide a large field of technological applications. The physical details describing the many electron problem of magnetism are presented in this book on the basis of the density functional approximation. The emphasis is on realistic magnets, for which the equations describing properties of the many electron problem can only be solved by using computers. The significant recent and continuing improvements are, to a very large extent, responsible for the progress in this field. Along with an introduction to the density functional theory, the book describes representative computational methods and detailed formulas for physical properties of magnets which include among other things the computation of magnetic ordering temperatures, the giant magneto-resistance, magneto-optical effects, weak ferromagnetism, the anomalous Hall and Nernst effects, and novel quasiparticles, such as Weyl fermions and magnetic skyrmions.
Theory Of Itinerant Electron Magnetism
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Author : Jürgen K. Kübler
language : en
Publisher:
Release Date : 2021
Theory Of Itinerant Electron Magnetism written by Jürgen K. Kübler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with Free electron theory of metals categories.
This second edition, in the broadest sense, is an application of quantum mechanics and statistical mechanics to the field of magnetism. It can be used for parts of a specialised course on material properties or solid-state physics and magnetism.
Spin Fluctuation Theory Of Itinerant Electron Magnetism
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Author : Yoshinori Takahashi
language : en
Publisher: Springer
Release Date : 2013-04-11
Spin Fluctuation Theory Of Itinerant Electron Magnetism written by Yoshinori Takahashi and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-11 with Science categories.
This volume shows how collective magnetic excitations determine most of the magnetic properties of itinerant electron magnets. Previous theories were mainly restricted to the Curie-Weiss law temperature dependence of magnetic susceptibilities. Based on the spin amplitude conservation idea including the zero-point fluctuation amplitude, this book shows that the entire temperature and magnetic field dependence of magnetization curves, even in the ground state, is determined by the effect of spin fluctuations. It also shows that the theoretical consequences are largely in agreement with many experimental observations. The readers will therefore gain a new comprehensive perspective of their unified understanding of itinerant electron magnetism.
Spin Fluctuations In Itinerant Electron Magnetism
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Author : Toru Moriya
language : en
Publisher:
Release Date : 1985
Spin Fluctuations In Itinerant Electron Magnetism written by Toru Moriya and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with categories.
Spin Fluctuations In Itinerant Electron Magnetism
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Author : Tōru Moriya
language : en
Publisher: Springer
Release Date : 1985
Spin Fluctuations In Itinerant Electron Magnetism written by Tōru Moriya and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Science categories.
Ferromagnetism of metallic systems, especially those including transition metals, has been a controversial subject of modern science for a long time. This controversy sterns from the apparent dual character of the d-electrons responsible for magnetism in transition metals, i.e., they are itinerant elec trons described by band theory in their ground state, while at finite tem peratures they show various properties that have long been attributed to a system consisting of local magnetic moments. The most familiar example of these properties is the Curie-Weiss law of magnetic susceptibility obeyed by almost all ferromagnets above their Curie temperatures. At first the problem seemed to be centered around whether the d-elec trons themselves are localized or itinerant. This question was settled in the 1950s and early 1960s by various experimental investigations, in particular by observations of d-electron Fermi surfaces in ferromagnetic transition metals. These observations are generally consistent with the results of band calculations. Theoretical investigations since then have concentrated on explaining this dual character of d-electron systems, taking account of the effects of electron-electron correlations in the itinerant electron model. The problem in physical terms is to study the spin density fluctuati·ons, which are ne glected in the mean-field or one-electron theory, and their influence on the physical properties.
Itinerant Electron Magnetism
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Author :
language : en
Publisher:
Release Date : 1977
Itinerant Electron Magnetism written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with categories.
Itinerant Electron Magnetism Fluctuation Effects
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Author : Dieter Wagner
language : en
Publisher: Elsevier
Release Date : 1998-08-31
Itinerant Electron Magnetism Fluctuation Effects written by Dieter Wagner and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-08-31 with Mathematics categories.
Proceedings of the NATO Advanced Research Workshop on Itinerant Electron Magnetism: Fluctuation Effects & Critical Phenomena, Moscow, Russia, September 15-19, 1997
Theory Of Itinerant Electron Magnetism
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Author : Jürgen Kübler
language : en
Publisher: Oxford University Press
Release Date : 2000-08-17
Theory Of Itinerant Electron Magnetism written by Jürgen Kübler and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-08-17 with Science categories.
This book is an application of quantum mechanics and statistical mechanics to the field of magnetism. A large part of the book is devoted to a detailed treatment of the connections between electronic properties and magnetism, and how they differ in the various known magnetic systems. Current trends are exposed and explained for a large class of alloys and compounds. The modern field of artificially layered systems - known as multilayers - and their industrial applications are dealt with in detail. The book also relates the rich thermodynamic properties of magnets to the ab initio results originating from the electronic structure.
Itinerant Electron Magnetism
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Author : R. D. Lowde
language : en
Publisher: North-Holland
Release Date : 1977
Itinerant Electron Magnetism written by R. D. Lowde and has been published by North-Holland this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Science categories.