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arXiv:astro-ph/0011358 (astro-ph)
[Submitted on 20 Nov 2000 (v1), last revised 12 Jun 2001 (this version, v2)]

Title:What can we infer about the underlying physics from burst distributions observed in an RMHD simulation ?

Authors:N. W. Watkins, S. Oughton, M. P. Freeman
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Abstract: We determine that the sizes of bursts in mean-square current density in a reduced magnetohydrodynamic (RMHD)simulation follow power-law probability density function (PDF). The PDFs for burst durations and waiting time between bursts are clearly not exponential and could also be power-law. This suffices to distinguish their behaviour from the original Bak et al. sandpile model which had exponential waiting time PDFs. However, it is not sufficient to distinguish between turbulence, some other SOC-like models, and other red noise sources.
Comments: In press, Planetary and Space Science. Proceedings of a session at European Geophysical Society General Assembly, Nice, 2000
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:astro-ph/0011358
  (or arXiv:astro-ph/0011358v2 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/0011358
Journal reference: Planetary and Space Science, 49, 1233-1237 (2001)
Related DOI: https://doi.org/10.1016/S0032-0633%2801%2900064-2

Submission history

From: Nick Watkins [view email]
[v1] Mon, 20 Nov 2000 11:20:49 UTC (30 KB)
[v2] Tue, 12 Jun 2001 18:23:22 UTC (32 KB)
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