7: Harmonic Lattice Vibrations Last updated Save as PDF Page ID6377 Contributed by Daniel F. StyerJohn and Marianne Schiffer Professor (Physics) at Oberlin College 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