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Flux concentrations in turbulent convection
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA.
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA.ORCID iD: 0000-0002-7304-021X
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA.
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2012 (English)In: Proceedings of the International Astronomical Union, Cambridge University Press, 2012, no S294, 283-288 p.Conference paper, Published paper (Refereed)
Abstract [en]

We present preliminary results from high resolution magneto-convection simulations where we find the formation of flux concentrations from an initially uniform magnetic field. The structures appear in roughly ten convective turnover times and live close to a turbulent diffusion time. The time scales are compatible with the negative effective magnetic pressure instability (NEMPI), although structure formation is not restricted to regions where the effective magnetic pressure is negative.

Place, publisher, year, edition, pages
Cambridge University Press, 2012. no S294, 283-288 p.
Series
Proceedings of the International Astronomical Union, ISSN 1743-9213 ; 8
Keyword [en]
MHD, Sun: magnetic fields, turbulence
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Other Physics Topics
Identifiers
URN: urn:nbn:se:kth:diva-125175DOI: 10.1017/S1743921313002640Scopus ID: 2-s2.0-84880541092ISBN: 978-110703383-2 (print)OAI: oai:DiVA.org:kth-125175DiVA: diva2:639521
Conference
International Astronomical Union
Note

QC 20130808

Available from: 2013-08-08 Created: 2013-08-07 Last updated: 2013-10-01Bibliographically approved

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Brandenburg, Axel

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Käpylä, Petri J.Brandenburg, AxelKleeorin, NathanRogachevskii, Igor
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Nordic Institute for Theoretical Physics NORDITA
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