Polaritons in Periodic and Quasiperiodic Structures (eBook)

Front Cover 1
POLARITONS IN PERIODIC AND QUASIPERIODIC STRUCTURES 4
Copyright Page 5
Contents 8
Preface 12
Chapter 1. Basic Properties of Excitations in Solids 16
1.1 Symmetry and Crystal Lattices 16
1.2 Reciprocal Lattices and Brillouin Zones 20
1.3 Bulk, Surface, and Superlattice Excitations 22
1.4 Phonon: Quantum of the Lattice Vibrations 24
1.5 Plasmon: Quantum of the Plasma Oscillations 27
1.6 Exciton: Bound Electron-Hole Pair 29
1.7 Magnon: Quantum of the Spin Wave 33
References 37
Chapter 2. Periodic and Quasiperiodic Structures 40
2.1 Periodic Structures 41
2.2 Quasiperiodic Structures 45
2.3 Examples of Quasiperiodic Structures 47
References 53
Chapter 3. Bulk Polaritons 56
3.1 The Frequency-Dependent Dielectric Function 57
3.2 Bulk Plasmon- and Phonon-Polaritons 60
3.3 Bulk Exciton-Polaritons 63
3.4 Magnetic Susceptibility 69
3.5 Bulk Magnetic-Polaritons 73
References 77
Chapter 4. Surface Plasmon- and Phonon-Polaritons 80
4.1 Single-Interface Modes: Isotropic Media 80
4.2 Single-Interface Modes: Anisotropic Media 86
4.3 Charge-Sheet Modes 87
4.4 Thin Films 88
4.5 Experimental Studies 97
References 101
Chapter 5. Plasmon-Polaritons in Periodic Structures 104
5.1 Two-Component Superlattices 105
5.2 Superlattices with Charge Sheets 116
5.3 Doped Semiconductor Superlattices 120
5.4 Piezoelectric Superlattices 122
5.5 Magnetoplasmon-Polaritons in Finite and infinite Superlattices 130
References 137
Chapter 6. Plasmon-Polaritons in Quasiperiodic Structures 140
6.1 Two-Component Quasiperiodic Structures 140
6.2 Localization and Scaling Properties 146
6.3 Multifractal Analysis 149
6.4 Quasiperiodic nipi Structures 154
6.5 Thermodynamic Properties 159
References 170
Chapter 7. Magnetic Polaritons 172
7.1 Exchange Spin Waves in Thin Films 174
7.2 Magnetostatic Modes in Thin Films 176
7.3 Spin Waves in Magnetic Superlattices 183
7.4 Rare-Earth Superlattices 186
7.5 Metamagnetic Thin Films 192
7.6 Quasiperiodic Structures 201
References 206
Chapter 8. Magnetic Polaritons in Spin-Canted Systems 210
8.1 The Magnetic Hamiltonian 213
8.2 Magnetic Polaritons in Canted Antiferromagnets 217
8.3 Magnetic Polaritons in Spin-Canted Thin Films 224
References 228
Chapter 9. Metallic Magnetic Multilayers 230
9.1 Magnetoresistance Self-Similar Spectra 232
9.2 Magnetization Profiles 239
9.3 Ferromagnetic Resonance Curves 246
9.4 Thermodynamic Properties 254
References 261
Chapter 10. Exciton-Polaritons 264
10.1 Thin Films 265
10.2 Superlattice Modes 271
10.3 Superlattice Modes in the Presence of a Magnetic Field 274
References 280
Chapter 11. Experimental Techniques 282
11.1 Raman Scattering in Periodic Structures 282
11.2 Raman Scattering in Quasiperiodic Structures 296
11.3 Brillouin Light Scattering 301
11.4 Resonant Brillouin Scattering 304
11.5 Far-Infrared Attenuated Total Reflection 315
11.6 Other Techniques 320
References 323
Chapter 12. Concluding Topics 326
12.1 Non-linear Dielectric Media 326
12.2 Non-linear Excitations in Single-Interface Geometries 329
12.3 Non-linear Excitations in Double-Interface Systems 332
12.4 Non-linear Excitations in Multilayer Systems 336
12.5 Conclusions and Future Directions 338
References 340
Appendix A. Some Theoretical Tools 342
A.1 Perturbation Theory 342
A.2 Second Quantization 345
A.3 Basic Properties of Green Functions 347
A.4 Diagrammatic Perturbation Theory 350
References 353
Subject Index 354