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Burst statistics of fluctuations in a simple magnetized torus configuration

Autor: Rypdal, K., Zivkovic, T., Oestvand, L.

In a toroidal plasma confined by a purely toroidal magnetic field the plasma transport is governed by electrostatic turbulence driven by the flute interchange instability on the low-field side of the torus cross section. In this paper we revisit expe

Externí odkaz: http://arxiv.org/abs/0904.2908

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Critical fluctuations and anomalous transport in soft Yukawa-Langevin systems

Autor: Ratynskaia, S., Regnoli, G., Rypdal, K., Klumov, B., Morfill, G.

Simulation of a Langevin-dynamics model demonstrates emergence of critical fluctuations and anomalous grain transport which have been observed in experiments on "soft" quasi-two-dimensional dusty plasma clusters. It has been suggested that these anom

Externí odkaz: http://arxiv.org/abs/0903.1750

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E-pile model of self-organized criticality

Autor: Milovanov, A. V., Rypdal, K., Rasmussen, J. J.

The concept of percolation is combined with a self-consistent treatment of the interaction between the dynamics on a lattice and the external drive. Such a treatment can provide a mechanism by which the system evolves to criticality without fine tuni

Externí odkaz: http://arxiv.org/abs/0711.4571

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