## A quantum-mechanical theory of the contribution of excitons to the complex dielectric constant of crystals |

### What people are saying - Write a review

We haven't found any reviews in the usual places.

### Contents

THE INTERACTION OF PHOTONS WITH | 43 |

THE COKPLEX DIELECTRIC CONSTANT | 83 |

SUMMARY AND APPLICATIONS | 106 |

3 other sections not shown

### Common terms and phrases

absorption line absorption oscillators absorption process annihilation operators assumption boson boundary conditions calculation Chapter classical dielectric clothed excitons coefficient complex dielectric constant computed conduction band Coulomb coupled creation and annihilation crystal damped oscillator decay defined density of final dependence derived dielectric medium dispersion relation effective mass eigenfunctions electron-hole pairs electrons and holes energy levels equations of motion exciton band exciton model exciton-photon expressed in terms finite frequency region fundamental absorption given ground harmonic oscillator imaginary index of refraction integral interaction Hamiltonian Lagrangian density lattice lifetime matrix elements Maxwell's equations method normal modes number of atoms number operators obtained oscillator strengths perturbation photon physical plane wave polarisation polaritons polarization field problem produces quantized quantum quantum-mechanical radiation field radiative real frequencies semi-classical Slater determinant theory tight-binding model tion tonian transition probability treat true absorption usual valence band valid vector wave function wave-vector zero