PHZ3400 Phonons: Difference between revisions

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==Lattice vibrations: (classical) sound waves==
===Harmonic approximation: inter-atomic forces as springs===
===One dimensional mono-atomic chain===
===Sound waves - acoustic modes===
===One dimensional diatomic chain: optical modes===
==Law of Dulong and Petit: failure of classical physics==
==Law of Dulong and Petit: failure of classical physics==



Revision as of 19:50, 8 February 2009

Law of Dulong and Petit: failure of classical physics

Quantization of sound waves: phonons

Thermodynamics of phonons

Experimental probes of phonons