Europhysics Letters (EPL) · 1989 · 130 citations · 1 references
Natural SciencesPhysicsCondensed Matter PhysicsVibrationCritical PhenomenaElectron-phonon InteractionsMode ShapesMolecular VibrationVibrational SpectroscopyVibrational StructureDipole-dipole InteractionsLocalized StatesMode LocalizationMolecular Vibrational ModesPhonon DynamicsPhonon LocalizationPhononsVibrational Modes
The effect of electric dipole-dipole interaction on localized phonons is studied. It is shown that localized states are destroyed however weak the interaction is. Instead of localized excitations critical modes are conjectured.
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