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G F Mazenko

Publications and source records attributed to G F Mazenko.

2 recordsLinked to original sources
PubMed2001

Defect statistics in the two-dimensional complex Ginzburg-Landau model.

The statistical correlations between defects in the two-dimensional complex Ginzburg-Landau model are studied in the defect-coarsening regime. In particular the defect-velocity probability distribution is determined and has the same high velocity tail found for the purely dissipative time-dependent Ginzburg-Landau (TDGL) model. The spiral arms of the defects lead to a very different behavior for the order parameter correlation function in the scaling regime compared to the results for the TDGL model.

Journal Article↗
PubMed2001

Nonlinear hydrodynamical approach to granular materials.

We propose a nonlinear hydrodynamical model of granular materials. We show how this model describes the formation of a sandpile from a homogeneous distribution of material under gravity, and then discuss a simulation of a rotating sandpile which shows, in qualitative agreement with experiment, a static and dynamic angle of repose.

Journal Article↗