Two Applications of Spinwave Theory: I. Relaxation in Antiferromagnets; II. Electron-magnon Interaction in Feromagnetic Semiconductors PDF Download
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Author: Roy Blakeney Woolsey
Publisher:
ISBN:
Category :
Languages : en
Pages : 304
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Book Description
Author: Roy Blakeney Woolsey
Publisher:
ISBN:
Category :
Languages : en
Pages : 304
Get Book Here
Book Description
Author: Randy S Fishman
Publisher: Morgan & Claypool Publishers
ISBN: 1643271148
Category : Science
Languages : en
Pages : 225
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Book Description
Two of the most powerful tools used to study magnetic materials are inelastic neutron scattering and THz spectroscopy. Because the measured spectra provide a dynamical fingerprint of a magnetic material, those tools enable scientists to unravel the structure of complex magnetic states and to determine the microcscopic interactions that produce them. This book discusses the experimental techniques of inleastic neutron scattering and THz spectroscopy and provides the theoretical tools required to analyze their measurements using spin-wave theory. For most materials, this analysis can resolve the microscopic magnetic interactions such as exchange, anisotropy, and Dzyaloshinskii-Moriya interactions. Assuming a background in elementary statistical mechanics and a familiarity with the quantized harmonic oscillator, this book presents a comprehensive review of spin-wave theory and its applications to both inelastic neutron scattering and THz spectroscopy. Spin-wave theory is used to study several model magnetic systems, including non-collinear magnets such as spirals and cycloids that are produced by geometric frustration, competing exchange interactions, or Dzyaloshinskii-Moriya interactions. Several case studies utilizing spin-wave theory to analyze inelastic neutron-scattering and THz spectroscopy measurements are presented. These include both single crystals and powders and both oxides and molecule-based magnets. In addition to sketching the numerical techniques used to fit dynamical spectra based on microscopic models, this book also contains over 70 exercises that can be performed by beginning graduate students.
Author: Roy Blakeney Woolsey
Publisher:
ISBN:
Category : Spin waves
Languages : en
Pages : 266
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Book Description
Author: Daniel D. Stancil
Publisher: Springer Science & Business Media
ISBN: 0387778659
Category : Technology & Engineering
Languages : en
Pages : 348
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Book Description
This book begins by introducing magnetism and discusses magnetic properties of materials, magnetic moments of atoms and ions, and the elements important to magnetism. It covers magnetic susceptibilities and electromagnetic waves in anisotropic dispersive media among other topics. There are problems at the end of each chapter, many of which serve to expand or explain the material in the text. The bibliographies for each chapter give an entry to the research literature.
Author: Roy Blakeney Woolsey
Publisher:
ISBN:
Category :
Languages : en
Pages : 302
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Book Description
Author: Enrico Rastelli
Publisher:
ISBN:
Category :
Languages : en
Pages : 103
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Book Description
Author: E. Rastelli
Publisher:
ISBN:
Category :
Languages : it
Pages :
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Book Description
Author: Fishman Randy S
Publisher:
ISBN: 9781643271132
Category :
Languages : en
Pages : 0
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Book Description
Author: Ulrich Schollwöck
Publisher: Springer
ISBN: 3540400664
Category : Science
Languages : en
Pages : 488
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Book Description
Closing a gap in the literature, this volume is intended both as an introductory text at postgraduate level and as a modern, comprehensive reference for researchers in the field. Provides a full working description of the main fundamental tools in the theorists toolbox which have proven themselves on the field of quantum magnetism in recent years. Concludes by focusing on the most important cuurent materials form an experimental viewpoint, thus linking back to the initial theoretical concepts.
Author: Randy S. Fishman
Publisher:
ISBN: 9781643271125
Category : SCIENCE
Languages : en
Pages :
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Book Description
Two of the most powerful tools used to study magnetic materials are inelastic neutron scattering and THz spectroscopy. Because the measured spectra provide a dynamical fingerprint of a magnetic material, those tools enable scientists to unravel the structure of complex magnetic states and to determine the microscopic interactions that produce them. This book discusses the experimental techniques of inelastic neutron scattering and THz spectroscopy and provides the theoretical tools required to analyze their measurements using spin-wave theory. For most materials, this analysis can resolve the microscopic magnetic interactions such as exchange, anisotropy, and Dzyalloshinskii-Moriya interactions. Assuming a background in elementary statistical mechanics and a familiarity with the quantized harmonic oscillator, this book presents a comprehensive review of spin-wave theory and its applications to both inelastic neutron scattering and THz spectroscopy. Spin-wave theory is used to study several model magnetic systems, including non-collinear magnets such as spirals and cycloids that are produced by geometric frustration, competing exchange interactions, or Dzyalloshinskii-Moirya interactions. Several case studies utilizing spin-wave theory to analyze inelastic neutron-scattering and THz spectroscopy measurements are presented. These include both single crystals and powders and both oxides and molecule-based magnets. In addition to sketching the numerical techniques used to fit dynamical spectra based on microscopic models, this book also contains over 70 exercises that can be performed by beginning graduate students.
