INVESTIGADORES
HOROWITZ Claudio
artículos
Título:
Experimental evidence on the development of scale invariance in the internal structure of self-affine aggregates
Autor/es:
HOROWITZ CLAUDIO; PASQUALE MIGUEL; ALBANO EZEQUIEL; ARVIA ALEJANDRO
Revista:
PHYSICAL REVIEW B - CONDENSED MATTER AND MATERIALS PHYSICS
Editorial:
The American Physical Society
Referencias:
Año: 2004 vol. 70 p. 334061 - 334064
ISSN:
0163-1829
Resumen:
It is shown that an alternative approach for the
characterization of growing branched patterns consists of the
statistical analysis of frozen structures, which cannot be modified by
further growth, that arise due to competitive processes among neighbor
growing structures. Scaling relationships applied to these structures
provide a method to evaluate relevant exponents and to characterize
growing systems into universality classes. The analysis is applied to
quasi-two-dimensional electrochemically formed silver branched patterns
showing that the size distribution of frozen structures exhibits scale
invariance. The measured exponents, within the error bars, remind us
those predicted by the Kardar-Parisi-Zhang equation.