Advertisement

Learning About Phonons with Frequencies Below One kHz

  • J. D. Maynard
Conference paper
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 112)

Abstract

Two areas of interest in phonon research are effects in highly disordered solids and nonlinear effects. When phonons propagate in a disordered potential field, they may become Anderson localized, in a fashion similar to electron Schrodinger waves in disordered metals. If there are nonlinear interactions, the question arises as to whether or not the nonlinearity will weaken the Anderson localization. Recently we have been studying such questions using macroscopic acoustic analogs of linear and nonlinear wave propagation in disordered, as well as ordered systems. These systems, designed to precisely simulate certain problems in phonon and electron physics, are operated at frequencies below 1 KHz. We have also used such a system to study the vibrational properties of a 2-D quasicrystal.

Keywords

Local Oscillator Tuning Fork Bloch Wave Anderson Localization Nonlinear Wave Propagation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • J. D. Maynard
    • 1
  1. 1.Department of Physics, 104 Davey LaboratoryThe Pennsylvania State UniversityUniversity ParkUSA

Personalised recommendations