POLARITONS IN PERIODIC AND QUASIPERIODIC STRUCTURES
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By Eudenilson Albuquerque Michael Cottam
Description In recent years there have been exciting developments in techniques for producing multilayered structures of different materials, often
with thicknesses as small as only a few atomic layers. These artificial structures, known as superlattices, can either be grown with
the layers stacked in an alternating fashion (the periodic case) or according to some other well-defined mathematical rule (the quasiperiodic
case). This book describes research on the excitations (or wave-like behavior) of these materials, with emphasis on how the material
properties are coupled to photons (the quanta of the light or the electromagnetic radiation) to produce ?mixed? waves called polaritons.
Audience
The book is aimed at graduate students, faculty members and other researchers in condensed matter physics, materials science and engineering,
surface and interface science, and nanotechnology. It will be useful in providing instructional material in this developing area of
physics/ materials science, as a review of the field of study, and as a comprehensive reference.
Contents Preface
1 Basic Properties of Excitations in Solids
1.1 Symmetry and Crystal Lattices
1.2 Reciprocal Lattices and Brillouin Zones .
1.3 Bulk, Surface and Superlattice Excitations
1.4 Phonon: Quantum of the Lattice Vibrations
1.5 Plasmon: Quantum of the Plasma Oscillations
1.6 Exciton: Bound Electron-Hole Pair
1.7 Magnon: Quantum of the Spin Wave
References
2 Periodic and Quasiperiodic Structures
2.1
Periodic Structures
2.2 Quasiperiodic Structures
2.3 Examples of Quasiperiodic Structures
2.3.1
2.3.2 Fibonacci
2.3.3 Thue-Morse
2.3.4 Double-period
References
3 Bulk Polaritons
3.1 The Frequency Dependent Dielectric Function
3.2 Bulk Plasmon- and Phonon-Polaritons
3.3 Bulk Exciton-Polaritons
3.4 Magnetic Susceptibility
3.5 Bulk Magnetic-Polaritons
References
4 Surface Plasmon- and Phonon-Polaritons
4.1 Single Interface Modes: Isotropic Media
4.2 Single Interface Modes: Anisotropic Media
4.3 Charge-Sheet Modes
4.4 Thin Films
4.5
Experimental Studies
References
5 Plasmon-Polaritons in Periodic Structures
5.1 Two-Component Superlattices
5.1.1 Infinite Superlattices
5.1.2 Semi-Infinite Superlattices
5.1.3 Finite Superlattices
5.2 Superlattices with Charge Sheets
5.3 Doped Semiconductor Superlattices
5.4 Piezoelectric Superlattices
5.4.1 Piezoelectric Layer
5.4.2 Superlattice Structure
5.5 Magnetoplasmon-Polaritons in Finite and
Infinite Superlattices
References
6 Plasmon-Polaritons in Quasiperiodic Structures
6.1 Two-Component Quasiperiodic Structures
6.1.1
Numerical Examples
6.2 Localization and Scaling Properties
6.3 Multifractal Analysis
6.4 Quasiperiodic nipi Structures
6.5 Thermodynamic
Properties
6.5.1 Theoretical Model
6.5.2 Specific Heat Profiles .
References
7 Magnetic Polaritons
7.1 Exchange Spin Waves in Thin
Films
7.2 Magnetostatic Modes in Thin Films
7.2.1 Magnetization Parallel to the Film Surfaces
7.2.2 Magnetization Perpendicular to
the Film Surfaces
7.3 Spin Waves in Magnetic Superlattices
7.3.1 Exchange Region
7.3.2 Magnetostatic Region
7.4 Rare-Earth Superlattices
7.5 Metamagnetic Thin Films
7.6 Quasiperiodic Structures
References
8 Magnetic Polaritons in Spin-Canted Systems
8.1 The Magnetic
Hamiltonian
8.2 Magnetic Polaritons in Canted Antiferromagnets
8.3 Magnetic Polaritons in Spin-Canted Thin Films
References
9 Metallic
Magnetic Multilayers
9.1 Magnetoresistance Self-Similar Spectra
9.2 Magnetization Profiles
9.3 Ferromagnetic Resonance Curves
9.4
Thermodynamic Properties
References
10 Exciton-Polaritons
10.1 Thin Films
10.2 Superlattice Modes
10.3 Superlattice Modes in the
Presence of a Magnetic Field
References
11 Experimental Techniques
11.1 Raman Scattering in Periodic Structures
11.1.1 Two-Components
Superlattices with 2D Charge Sheets
11.1.2 nipi Superlattices
11.2 Raman Scattering in Quasiperiodic Structures
11.3 Brillouin Light
Scattering (BLS)
11.4 Resonant Brillouin Scattering (RBS)
11.4.1 Reflection and Transmission Spectra
11.4.2 Light Scattering Formalism
11.4.3 RBS Cross Section
11.5 Far-Infrared Attenuated Total Reflection (ATR)
11.6 Other Techniques
11.6.1 Light-Emitting Tunnel Junction
11.6.2 Far-Infrared (FIR) Fourier-Transform Spectroscopy
11.6.3 Magneto-Optical Kerr E_ect (MOKE)
11.6.4 Ferromagnetic Resonance (FMR)
References
12 Concluding Topics
12.1 Nonlinear Dielectric Media
12.2 Nonlinear Excitations in Single-Interface Geometries
12.3 Nonlinear
Excitations in Double-Interface Systems
12.4 Nonlinear Excitations in Multilayer Systems
12.5 Conclusions and Future Directions
References
Appendix A: Some Theoretical Tools
A.1 Perturbation Theory
A.2 Second Quantization
A.3 Basic Properties of Green Functions
A.4
Diagrammatic Perturbation Theory
References
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