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Magnetic concentrat...
Magnetic concentrations in stratified turbulence : The negative effective magnetic pressure instability
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- Brandenburg, Axel (author)
- Stockholms universitet,KTH,Nordic Institute for Theoretical Physics NORDITA,Institutionen för astronomi,Nordiska institutet för teoretisk fysik (Nordita),University of Colorado, USA
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- Rogachevskii, Igor (author)
- Stockholms universitet,KTH,Nordic Institute for Theoretical Physics NORDITA,Nordiska institutet för teoretisk fysik (Nordita),Ben-Gurion University of the Negev, Israel
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- Kleeorin, Nathan I. (author)
- Stockholms universitet,KTH,Nordic Institute for Theoretical Physics NORDITA,Nordiska institutet för teoretisk fysik (Nordita),Ben-Gurion University of the Negev, Israel
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(creator_code:org_t)
- 2016-12-23
- 2016
- English.
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In: New Journal of Physics. - : Institute of Physics Publishing (IOPP). - 1367-2630. ; 18:12
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Abstract
Subject headings
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- In the presence of strong density stratification, hydromagnetic turbulence attains qualitatively new properties: the formation of magnetic flux concentrations. We review here the theoretical foundations of this mechanism in terms of what is now called the negative effective magnetic pressure instability. We also present direct numerical simulations of forced turbulence in strongly stratified layers and discuss the qualitative and quantitative similarities with corresponding mean-field simulations. Finally, the relevance to sunspot formation is discussed.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- dynamos
- stratified turbulence
- sunspots
Publication and Content Type
- ref (subject category)
- art (subject category)
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