PHZ3400 Sound: Difference between revisions

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[[Image:1D_normal_modes_(280_kB).gif|right|thumb|250px|'''Vibrational modes of a one-dimensional chain''']]
==Harmonic approximation: inter-atomic forces as springs==
==Harmonic approximation: inter-atomic forces as springs==



Revision as of 11:22, 9 February 2009

Vibrational modes of a one-dimensional chain

Harmonic approximation: inter-atomic forces as springs

One dimensional mono-atomic chain

Sound waves - acoustic modes

One dimensional diatomic chain: optical modes