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Derivation · draft

Phonon Dispersion of the Diatomic Chain

D-255 Home PU-303 Threads waves · matter · energy Depends on Bloch's Theorem from Translational Symmetry, coupled-oscillator-normal-modes
Statement

Diagonalize the harmonic equations of motion for a diatomic linear chain to obtain acoustic and optical branches separated by a zone-boundary gap.

Depends on

Bloch's Theorem from Translational Symmetry, coupled-oscillator-normal-modes

Used by

PU-303/L13