7: Harmonic Lattice Vibrations Last updated Jun 23, 2019 Save as PDF 6.10: Appendix 7.1: The Problem Page ID6377 Daniel F. StyerOberlin College ( \newcommand{\kernel}{\mathrm{null}\,}\) 7.1: The Problem7.2: Statistical Mechanics of the Problem7.3: Normal Modes for a One-dimensional Chain7.4: Normal Modes in Three Dimensions7.5: Low-temperature Heat Capacity7.6: More Realistic Models7.7: What is a Phonon?7.8: Additional Problems