fluxon

(redirected from Magnetic flux tube)
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fluxon

[′flək‚sän]
(solid-state physics)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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analyzed analytically, in the limit of thin magnetic flux tube, the dispersion relation of the kink MHD mode and have obtained that this mode is unstable against the KH instability when the critical jet velocity is equal to 4.47[v.sub.A] = 3576 km [s.sup.-1] ([v.sub.A] = 800 km [s.sup.-1] is the Alfven speed inside the jet).
When studying the MHD wave propagation in the untwisted magnetic flux tube we shall use two approaches, namely, of compressible plasmas in both media and the simplified limit of incompressible and cool plasmas--a similarity of dispersion curves patterns, obtained from corresponding dispersion relations, will eventually justify the usage of the second approach in particular in the case of twisted tube.
'The generated Alfven pulses easily penetrate the solar atmosphere along cylinder-like magnetic flux tubes, a form of magnetism a bit like trees in a forest.
A possible origin of these footpoint activities is magnetic stress (or electric currents) imparted in the magnetic flux tubes by turbulent convection during their ascent to the surface.
London, July 3 ( ANI ): A Spanish instrument known as IMaX magnetograph has observed the sun for the formation and evolution of a magnetic flux tubes on its surface.
But in some places, areas of strong magnetic field called magnetic flux tubes poke up through this cold layer.
Using this theory, the researchers have built a computer model that successfully predicts where and when spicules will form, based on the location of the magnetic flux tubes and timing of the sound waves.
Researchers have long theorized about the form and evolution of these features, called magnetic flux tubes, but have been unable to directly observe them in detail until now, says Christopher U.
Scientists believe these bright points to be signs of what's called magnetic flux tubes, which are the building blocks of the sun's magnetic field.
Team member Dan Kiselman says the penumbral filaments, several hundred kilometers wide, are probably magnetic flux tubes transporting solar gas.
In a flare hot coronal gases are "bottled" within the loops, creating giant magnetic flux tubes. Visible in X-rays, these are the dominant structures not only in the flares themselves but in the surrounding corona.
Scientists often think of a flare as stemming from the interaction site of two or more loops -- magnetic flux tubes filled with plasma.