The Dynamics of a Non-harmonic Substitutional Impurity in a Dynamic Host Lattice |
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Contents
The Impurity Polarizability and | 22 |
The Impurity and Thermal Conductivity | 49 |
The Impurity and Sound Waves | 59 |
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Common terms and phrases
Appendix approximation C₂ calculation chapter complex shift configuration contribution CORNELL CORNEL Debye model Debye relaxation definition determined diagonal elements dipole discussed displacements dynamics effect eigenstates electric field energy equation of motion evaluated expression fourier series frequency dependence functional derivatives GAR(T host crystal host defect lattice host lattice atoms imaginary impurity Hamiltonian impurity polarizability impurity potential irreducible representations level system Lit ion lowest order matrix elements n₁ n₂ non-harmonic impurity normal mode notation Nowick obtained off-center operator perturbation theory phonon relaxation processes relaxation rate resonance term result second order second quantized solution for G static summation symmetry temperature dependence term in eq thermal conductivity thermal factors thermodynamic correlation functions thermodynamic Green's functions tonian usual vector written XY model α κ αβ Βε ոլ ոլոշ ոշ