Vibrations in glasses and Euclidean Random Matrix theory
Condensed Matter
2009-11-07 v1
Abstract
We study numerically and analytically a simple off-lattice model of scalar harmonic vibrations by means of Euclidean random matrix theory. Since the spectrum of this model shares the most puzzling spectral features with the high-frequency domain of glasses (non-Rayleigh broadening of the Brillouin peak, boson peak and secondary peak), the Euclidean random matrix theory provide a single and fairly simple theoretical framework to their explanation.
Cite
@article{arxiv.cond-mat/0110441,
title = {Vibrations in glasses and Euclidean Random Matrix theory},
author = {T. S. Grigera and V. Martin-Mayor and G. Parisi and P. Verrocchio},
journal= {arXiv preprint arXiv:cond-mat/0110441},
year = {2009}
}
Comments
11 pages, 7 postscript figures, Proceedings of Statphys 21