14 citations · 46 across the 5 of their papers we have counts for
6 papers
No self-similar aggregates with sedimentation
M. Peltomaki, E. K. O. Hellen, M. J. Alava
Two-dimensional cluster-cluster aggregation is studied when clusters move both diffusively and sediment with a size dependent velocity. Sedimentation breaks the rotational symmetry…
Cluster persistence in one-dimensional diffusion--limited cluster--cluster aggregation
E. K. O. Hellen, P. E. Salmi, M. J. Alava
The persistence probability, , of a cluster to remain unaggregated is studied in cluster-cluster aggregation, when the diffusion coefficient of a cluster depends on its siz…
Coarsening of Sand Ripples in Mass Transfer Models with Extinction
E. K. O. Hellén, J. Krug
Coarsening of sand ripples is studied in a one-dimensional stochastic model, where neighboring ripples exchange mass with algebraic rates, , and ripples of zero mass…
Particle Survival and Polydispersity in Aggregation
E. K. O. Hellen, P. E. Salmi, M. J. Alava
We study the probability, , of a cluster to remain intact in one-dimensional cluster-cluster aggregation when the cluster diffusion coefficient scales with size as $D(s) \s…
Persistence in Cluster--Cluster Aggregation
E. K. O. Hellén, M. J. Alava
Persistence is considered in diffusion--limited cluster--cluster aggregation, in one dimension and when the diffusion coefficient of a cluster depends on its size as $D(s) \sim…
Dynamic Scaling in One-Dimensional Cluster-Cluster Aggregation
E. K. O. Hellen, T. P. Simula, M. J. Alava
We study the dynamic scaling properties of an aggregation model in which particles obey both diffusive and driven ballistic dynamics. The diffusion constant and the velocity of a c…