FRACTON DECAY IN NONLINEAR FRACTAL SYSTEMS

Authors
YAKUBO K NAKANO M NAKAYAMA T
Citation
K. Yakubo et al., FRACTON DECAY IN NONLINEAR FRACTAL SYSTEMS, Physica. B, Condensed matter, 220, 1996, pp. 351-353
Citations number
8
Categorie Soggetti
Physics, Condensed Matter
Journal title
Physica. B, Condensed matter → ACNP
ISSN journal
09214526
Volume
220
Year of publication
1996
Pages
351 - 353
Database
ISI
SICI code
0921-4526(1996)220:<351:FDINFS>2.0.ZU;2-D
Abstract
Anharmonic lifetimes tau(a) of fracton modes in percolating elastic ne tworks with the fourth-order anharmonicity are numerically investigate d. The results show that the frequency dependence of tau(a) drasticall y changes at 3 omega(c) where omega(c) is a phonon-fracton crossover f requency. The physical interpretation for the drastic change of the fr equency dependence of tau(a) is given.