2 papers
cond-mat.mtrl-sci2006
Characterization of welding defects by fractal analysis of ultrasonic signals
A. P. Vieira, E. P. de Moura, L. L. Goncalves +1
In this work we apply tools developed for the study of fractal properties of time series to the problem of classifying defects in welding joints probed by ultrasonic tecniques. We…
cond-mat.stat-mech2000
The anisotropic XY-model on the 1d alternating superlattice
F. F. Barbosa Filho, J. P. de Lima
The anisotropic XY-model in a transverse field (s=1/2) on the one-dimensional alternating superlattice (closed chain) is considered. The solution of the model is obtained by introd…