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Collective oscillations in irreversible coagulation driven by monomer inputs and large-cluster outputs
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Ball, Robin, Connaughton, Colm, Jones, Peter P., Rajesh, R. and Zaboronski, Oleg V. (2012) Collective oscillations in irreversible coagulation driven by monomer inputs and large-cluster outputs. Physical Review Letters, Vol.109 (No.16). Article no. 168304 . doi:10.1103/PhysRevLett.109.168304
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.109.168304
Abstract
We describe collective oscillatory behavior in the kinetics of irreversible coagulation with a constant input of monomers and removal of large clusters. For a broad class of collision rates, this system reaches a nonequilibrium stationary state at large times and the cluster size distribution tends to a universal form characterized by a constant flux of mass through the space of cluster sizes. Universality, in this context, means that the stationary state becomes independent of the cutoff as the cutoff grows. This universality is lost, however, if the aggregation rate between large and small clusters increases sufficiently steeply as a function of cluster sizes. We identify a transition to a regime in which the stationary state vanishes as the cutoff grows. This nonuniversal stationary state becomes unstable as the cutoff is increased. It undergoes a Hopf bifurcation after which the stationary state is replaced by persistent and periodic collective oscillations. These oscillations, which bear some similarities to relaxation oscillations in excitable media, carry pulses of mass through the space of cluster sizes such that the average mass flux through any cluster size remains constant. Universality is partially restored in the sense that the scaling of the period and amplitude of oscillation is inherited from the dynamical scaling exponents of the universal regime.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QA Mathematics | ||||
| Divisions: | Faculty of Science > Centre for Complexity Science Faculty of Science > Mathematics Faculty of Science > Physics |
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| Journal or Publication Title: | Physical Review Letters | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 0031-9007 | ||||
| Official Date: | 2012 | ||||
| Dates: |
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| Volume: | Vol.109 | ||||
| Number: | No.16 | ||||
| Page Range: | Article no. 168304 | ||||
| DOI: | 10.1103/PhysRevLett.109.168304 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
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