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Lattice-dynamical calculation of phonon scattering at a disordered interface

Research output: Contribution to journalJournal article


Journal publication date03/1999
JournalPhysica B: Condensed Matter
Journal number1
Number of pages3
Original languageEnglish


For an FCC crystal with central force interactions and separately for a scalar model on a square lattice, we compute exactly the phonon transmission coefficient T(omega) through a disordered planar interface between two identical semiinfinite leads. At high frequencies T(omega) exhibits a strong frequency dependence which is determined by the correlation length of the disorder.