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Study of the Velocity and Damping of Acoustic Waves Obtained by Brillouin Scattering in the Paraelastic Phase in GMO
20
Citations
4
References
1976
Year
AeroacousticsEngineeringMechanical EngineeringInteraction HamiltonianComputational MechanicsNonlinear AcousticVibrationsPhysical AcousticMechanicsNumerical SimulationSound PropagationNonlinear VibrationStress WaveAcoustic WavesPhysicsWave PropagationSolid MechanicsBrillouin ScatteringParaelastic PhaseApplied PhysicsVelocity AnomaliesGmo CrystalsMechanics Of MaterialsVibration Control
Abstract The velocity anomalies and damping of acoustic waves in the paraelastic phase of GMO crystals are calculated on the basis of an interaction Hamiltonian which is proportional to the strain and to the square of the order parameter. Within the assumption of a three dimensional soft mode spectrum, good agreement is obtained with the experimental results.
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