PHZ3400 Phonons: Difference between revisions
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(New page: ==Lattice vibrations: (classical) sound waves== ==Law of Dulong and Petit: failure of classical physics== ==Quantization of sound waves: phonons== ==Thermodynamics of phonons== ==Exper...) |
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==Lattice vibrations: (classical) sound waves== | ==Lattice vibrations: (classical) sound waves== | ||
===Harmonic approximation: inter-atomic forces as springs=== | |||
===<math>D=1\;</math>mono-atomic chain=== | |||
===Sound waves - acoustic modes=== | |||
===<math>D=1\;</math>diatomic chain: optical modes=== | |||
==Law of Dulong and Petit: failure of classical physics== | ==Law of Dulong and Petit: failure of classical physics== | ||
