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10. Appendix

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770 Subject Index<br />

Quantum wires 470<br />

Quasi-thermal equilibrium 225<br />

Quasiparticle approach 67<br />

R<br />

Radiative lifetime minority carrier 351<br />

Radiative recombination 194, 346<br />

– centers 349<br />

– time 351<br />

Raman<br />

– frequencies 350, 377<br />

– modes of acoustic phonons in Cu 2O 416<br />

– resonance at forbidden exciton in Cu 2O 408<br />

– shift 377<br />

– spectrometers 385<br />

Raman excitation spectroscopies 386<br />

Raman scattering 244, 345, 428<br />

– and Fröhlich interaction in superlattices 515<br />

– as a form of modulation spectroscopy 319<br />

– breakdown of q-conservation 413<br />

– by LA modes in GaAs/AlAs superlattice 514<br />

– confined optical phonons 516<br />

– interface modes 518<br />

– interference in scattering amplitudes 413<br />

– microscopic theory 394<br />

– odd parity phonon in Cu 2O 409, 424<br />

– polaritons 423<br />

– selection rules 423<br />

– – parity 379<br />

– – zincblende-type crystals 381<br />

– spontaneous 394<br />

– stimulated 385, 395<br />

– Stokes and Anti-Stokes scattering 377<br />

– three phonons in Cu 2O 417, 418<br />

– two phonons 377<br />

– via deformation potential 426<br />

– via Fröhlich interaction 426<br />

– zone-center phonons 377<br />

Raman spectra<br />

– (GaAs) 16(AlAs) 16 SL 519<br />

– Ge monolayers 392<br />

– interface mode in GaAs/AlAs 520<br />

– phonon-polaritons 392<br />

Raman spectroscopy<br />

– detector 387<br />

– light source 385<br />

– spectrometer 386<br />

Raman tensor 378<br />

– antisymmetric components 379<br />

– symmetry properties 383, 424<br />

– wurtzite crystal 423<br />

– zincblende crystal 380<br />

Raman-active transitions 47<br />

Random alloy 192<br />

Rayleigh scattering 375, 382<br />

Reciprocal lattice 23<br />

Recombination 226<br />

Reduced ionic mass 297<br />

Reduced mass of exciton 280<br />

Reduced zone scheme 21, 109<br />

Reflectance difference spectroscopy (RDS)<br />

332<br />

Reflectance 246<br />

– GaAs 256, 316<br />

– modulation 315<br />

– normal incidence 250<br />

– spectra 567<br />

Reflection coefficient 246<br />

Reflection High Energy Electron Diffraction<br />

(RHEED) 9, 10, 11<br />

Reflection of light by lattice vibrations 298<br />

– spectra of InAs, GaAs, InSb, GaSb, AlSb, InP<br />

300<br />

Reflection symmetry 20<br />

Reflectivity<br />

– complex 249<br />

– Reststrahlen region 299<br />

– spectra 66<br />

Reflectometer 251<br />

Refractive index 246<br />

Relaxation time 208<br />

– approximation 206, 238<br />

– momentun 209<br />

Renormalization of bandgap at T = 0 341<br />

Representations 33<br />

– characters 34<br />

– compatibility 49<br />

– dimension 34<br />

– equivalent 34, 36<br />

– identity 36<br />

– irreducible 34<br />

– reducible 34<br />

Resolvent operator 183<br />

Resolving power of Raman spectrometers 386<br />

Resonance Brillouin scattering 375, 403, 419<br />

– in GaAs 421<br />

Resonance Raman scattering 375, 399, 403<br />

– allowed and forbidden 412<br />

– at band continua 404<br />

– at bound exciton 407<br />

– at free excitons 406<br />

– confined and IF modes in GaAs/AlAs MQW’s<br />

510<br />

– in CdS 407, 412<br />

– in GaP 405<br />

– multiphonon 410

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