Overview

Site Symmetry in Crystals is the first comprehensive account of the group-theoretical aspects of the site (local) symmetry approach to the study of crystalline solids. The efficiency of this approach, which is based on the concepts of simple induced and band representations of space groups, is demonstrated by considering newly developed applications to electron surface states, point defects, symmetry analysis in lattice dynamics, the theory of second-order phase transitions, and magnetically ordered and non-rigid crystals. Tables of simple induced respresentations are given for the 24 most common space groups, allowing the rapid analysis of electron and phonon states in complex crystals with many atoms in the unit cell.

Full Product Details

Author:   Robert A. Evarestov ,  Vyacheslav P. Smirnov
Publisher:   Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
Imprint:   Springer-Verlag Berlin and Heidelberg GmbH & Co. K
Edition:   Softcover reprint of the original 2nd ed. 1997
Volume:   108
Dimensions:   Width: 15.50cm , Height: 1.50cm , Length: 23.50cm
Weight:   0.458kg
ISBN:  

9783540614661

ISBN 10:   3540614664
Pages:   282
Publication Date:   16 January 1997
Audience:   College/higher education ,  Professional and scholarly ,  Undergraduate ,  Postgraduate, Research & Scholarly
Format:   Paperback
Publisher's Status:   Active
Availability:   Out of stock  
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Table of Contents

1. Introduction.- 2. Finite Groups and Their Representations.- 2.1 Elements of Group Theory.- 2.1.1 Groups. Generators and Generating Relations. Subgroups. Cosets. Invariant Subgroups. The Factor Group.- 2.1.2 Conjugate Elements and Classes. Factorization of Groups.- 2.1.3 Homomorphism and Isomorphism of Groups.- 2.2 Elements of Group Representation Theory.- 2.2.1 Representations of a Group. Equivalent, Reducible and Irreducible Representations. Orthogonality Relations. Representation Characters.- 2.2.2 Decomposition of Representations. Complex Conjugate Representations.- 2.3 Generation of Representations.- 2.3.1 Direct Product of Representations.- 2.3.2 Subduction of Representations.- 2.3.3 Induction of Representations.- 2.3.4 Little Group Method of Irreducible Representation Generation.- 3. Symmetry Groups and Their Representations.- 3.1 The Euclidean Group and Its Subgroups.- 3.1.1 Translation Group.- 3.1.2 Rotation Group.- 3.1.3 Inversion Group.- 3.1.4 Full Orthogonal Group.- 3.1.5 Euclidean Group.- 3.2 Point Symmetry Groups.- 3.2.1 Symmetry Elements of Molecules and Crystallographic Point Groups.- 3.2.2 Site Symmetry Subgroups of Point Groups.- 3.3 Space Groups.- 3.3.1 Symmetry of a Model of an Infinite Crystal. Symmorphic and Nonsymmorphic Space Groups.- 3.3.2 Symmetry of a Cyclic Model of a Crystal.- 3.4 Site Symmetry in Space Groups.- 3.4.1 Crystallographic Orbits. Wyckoff Positions.- 3.4.2 Oriented Site Symmetry Groups. Choice of Origin.- 3.4.3 Crystal Structure Types. Crystals with Space Group D4h14.- 3.5 Symmetry Operations in Quantum Mechanics.- 3.5.1 Symmetry Group of a Quantum Mechanical System.- 3.5.2 Wigner's Theorem.- 3.5.3 Time-Reversal Symmetry.- 3.6 Irreducible Representations of Rotation and Full Orthogonal Groups.- 3.7 Representations of Point Groups.- 3.8 Representations of Space Groups.- 3.8.1 Irreducible Representations of the Translation Group. The Brillouin Zone.- 3.8.2 Stars of Wave Vectors. Little Group. Full Representations of Space Groups.- 3.8.3 Small Representations of a Little Group. Projective Representations of Point Groups.- 3.8.4 Double-Valued Representations of Space Groups.- 3.8.5 Dependence of the Labeling of the Irreducible Representations of a Space Group on the Setting.- 3.8.6 Example: Irreducible Representations of Space Group D4h14. Compatibility Tables.- 4. Site Symmetry and Induced Representations of Symmetry Groups.- 4.1 Induced Representations of Point Groups. Correlation Tables.- 4.2 Induced Representations of Space Groups.- 4.2.1 Induction from Site Symmetry Subgroups of Space Groups.- 4.2.2 Induced Representations in the k-Basis. Band Representations.- 4.2.3 Simple and Composite Induced Representations.- 4.3 Double-Valued Induced Representations.- 4.4 Generation of the Simple Induced Representations of the Space Group D4h14.- 4.5 The Twenty-Four Most Common Space Groups: Crystal Structures and Tables of Simple Induced Representations.- 4.5.1 Tables of Simple Induced Representations and Their Use.- 4.5.2 Space Groups and Crystal Structures with Cubic Lattices.- 4.5.3 Space Groups and Crystal Structures with Hexagonal and Trigonal Lattices.- 4.5.4 Space Groups and Crystal Structures with Tetragonal Lattices.- 4.5.5 Space Groups and Crystal Structures with Orthorhombic Lattices.- 4.5.6 Space Group Setting and Simple Induced Representations for Monoclinic Space Groups.- 5. Application of Induced Representations in the Electron Theory of Molecules and Crystals.- 5.1 Adiabatic and One-Electron Approximations.- 5.1.1 Space Symmetry of the One-Electron Approximation Hamiltonian.- 5.2 Induced Representations in the Electron Theory of Molecules.- 5.2.1 Canonical, Localized and Hybridized Molecular Orbitals.- 5.2.2 Localized Two-Center Bonds and Hybridized Orbitals in AB4 and AB3 Molecules.- 5.2.3 Multicentered Bonds in the 1,6-C2B4H6 Molecule.- 5.2.4 Canonical and Localized Orbitals in the MnO4- Molecular Ion.- 5.2.5 Localized Orbitals in the Tetrahedral Bi4 Molecule.- 5.3 One-Electron Approximation for Crystals.- 5.3.1 Crystalline Orbitals. Degenerate and Nondegenerate Energy Bands.- 5.3.2 Equivalent Hamiltonians for the Same Crystal Structures.- 5.3.3 k?p Perturbation Method in the Energy Band Theory.- 5.3.4 Zero-Slope Points of Energy Bands.- 5.3.5 Energy Bands in the Neighborhood of Degeneracy Points.- 5.3.6 Additional Degeneracy of Energy Bands Due to the Reality of the Hamiltonian.- 5.3.7 Density of States of an Energy Band.- 5.4 Induced Representations and the Theory of Chemical Bonding in Crystals.- 5.4.1 Energy Band States and Localized Functions.- 5.4.2 Localized Orbitals and Atomic States in Crystals.- 5.4.3 Hybridized Orbitals in Crystals.- 5.4.4 Crystals with Space Group Oh7.- 5.4.5 Crystals with Space Group Oh5.- 5.4.6 Crystals with Space Group D4h14.- 5.4.7 One-Electron States in High-Tc Superconductors.- 5.5 Energy Bands and Localized States.- 5.5.1 Localized Orbitals and Parameters of an Energy Band.- 5.5.2 Generation of Localized Functions in Crystals.- 5.5.3 Interpolation Scheme Using Localized Functions.- 5.6 Localized Orbitals in Molecular Models of Crystals.- 5.6.1 Cluster Model of Perfect Crystals.- 5.6.2 Cluster and Crystal Localized Orbitals.- 5.6.3 Energy Bands of AgBr from Cluster Calculations of [Ag14Br13]+.- 5.6.4 Cyclic Model as a Molecular Model of Crystals.- 5.6.5 Localized Orbitals in the Cyclic Model.- 6. Induced Representations in the Theory of Imperfect Crystals.- 6.1 Point Defects in Crystals.- 6.1.1 Single Defect Model.- 6.1.2 Cluster Model of Imperfect Crystals.- 6.1.3 Cyclic Model of Imperfect Crystals.- 6.1.4 Band Model of Imperfect Crystals.- 6.1.5 Localized Orbitals in the Band Model of Point Defects.- 6.2 Diperiodic Space Groups. Surface Electron States.- 6.2.1 Diperiodic (Layer) Space Groups.- 6.2.2 Site Symmetry in Layer Groups.- 6.2.3 Irreducible Representations of Diperiodic Groups.- 6.2.4 Induced Representations of Diperiodic Groups.- 6.2.5 Use of Translational Symmetry in the Comparison of Bulk and Surface Crystalline States.- 7. Application of Induced Representations of Space Groups to Second Order Phase Transitions.- 7.1 Symmetry Rules in the Landau Theory of Second Order Phase Transitions.- 7.2 Tensor Fields in Crystals and Induced Representations of Space Groups. Tensor Fields for Space Group D4h14.- 7.3 Vibrational Field Representation and Phase Transitions in High-Temperature Superconductors.- 8. Induced Representations of Space Groups in Phonon Spectroscopy of Crystals.- 8.1 Phonon Symmetry Analysis.- 8.2 Infrared and Raman Spectra Selection Rules.- 8.3 Phonon Symmetry and Optical Spectra Selection Rules in Semiconductor Superlattices.- 8.3.1 (GaAs)m(AlAs)n Superlattices.- 8.3.2 (Si)m(Ge)n Superlattices.- 8.3.3 Experimental Applications.- 8.4 Phonon Symmetry in High-Temperature Superconductors.- 8.5 Phonon Symmetry in Diperiodic Systems.- 9. Site Symmetry in Magnetic Crystals and Induced Corepresentations.- 9.1 Shubnikov Space Groups of Symmetry of Magnetic Crystals.- 9.2 Site Symmetry in Magnetic Crystals.- 9.3 Corepresentations of Shubnikov Space Groups.- 9.4 Induced Corepresentations of Magnetic Space Groups.- 9.5 Corepresentations of the Space Groups of Antiferromagnetic La2CuO4.- 10. Site Symmetry in Permutation - Inversion Symmetry Groups of Nonrigid Crystals.- 10.1 Symmetry Groups of Nonrigid Crystals.- 10.1.1 Labeling of Nuclei. Sampling of Coordinate Systems.- 10.1.2 Description of Permutation - Inversion Symmetry Elements.- 10.1.3 Coordinate Transformations Induced by Permutation - Inversion Symmetry Elements.- 10.1.4 Site Symmetry Group of a Rotating Molecule in a Nonrigid Crystal.- 10.1.5 Permutation - Inversion Group of a Nonrigid Sodium Nitrate Crystal.- 10.2 Irreducible Representations of a Nonrigid Crystal Symmetry Group.- 10.2.1 Generation of Irreducible Representations.- 10.2.2 Irreducible Representations of a Site Symmetry Group.- 10.2.3 Classification of States.- 10.3 Generalized Symmetry of High-Temperature Phase of Fullerite C60.- 10.3.1 Permutation - Inversion Symmetry Group of Fullerite C60 in the High-Temperature Phase.- 10.3.2 Irreducible Representations of the Groups [n] and Pc.- 10.3.3 Classification of States of Nonrigid Fullerite C60.- References.

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