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

Watkins, N.W.; Oughton, S.; Freeman, M.P. ORCID: https://orcid.org/0000-0002-8653-8279. 2001 What can we infer about the underlying physics from burst distributions observed in an RMHD simulation? Planetary and Space Science, 49 (12). 1233-1237. 10.1016/S0032-0633(01)00064-2

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Official URL: http://dx.doi.org/10.1016/S0032-0633(01)00064-2

Abstract/Summary

We determine that the sizes of bursts in mean-square current density in a reduced magnetohydrodynamic (RMHD) simulation follow a 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.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1016/S0032-0633(01)00064-2
Programmes:	BAS Programmes > Antarctic Science in the Global Context (2000-2005) > Magnetic Reconnection, Substorms and their Consequences
ISSN:	00320633
Date made live:	14 Nov 2012 08:13 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/20348

Item Type:

Publication - Article

Digital Object Identifier (DOI):

10.1016/S0032-0633(01)00064-2

Programmes:

BAS Programmes > Antarctic Science in the Global Context (2000-2005) > Magnetic Reconnection, Substorms and their Consequences

ISSN:

00320633

Date made live:

14 Nov 2012 08:13 +0 (UTC)

URI:

https://nora.nerc.ac.uk/id/eprint/20348