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Sunday, June 12, 2011

Magnetic field amplification in a carefully stirred liquid

Poloidal magnetic flux inside
the NMD experiment
Stirling Colgate and his team at the the New Mexico Dynamo (NMD) experiment shows an eight-fold magnetic field amplification using coherent, low-turbulence fluid motions.
This result supports the ansatz that large scale astrophysical magnetic fields can be created by semi-coherent large scale motions in which turbulence plays only a smaller diffusive role that enables magnetic flux linkage.
The NMD experiment is a collaboration between the New Mexico Institute of Mining and Technology and Los Alamos National Laboratory.

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