Formation of two-dimensional current sheets under high initial pressure conditions |
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Authors: | S. Yu. Bogdanov V. B. Burilina A. G. Frank |
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Affiliation: | (1) Institute of General Physics, Russian Academy of Sciences, 117942 Moscow, Russia |
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Abstract: | The possibilities of current-sheet formation in two-dimensional magnetic fields with a null line as well as the characteristic features of the plasma dynamics under high initial pressure conditions (helium, P 0≈300 mtorr) are investigated for the first time. It is shown that current-sheet formation and efficient compression of the plasma into a sheet require that the magnetic field gradient be sufficiently large. A brightly emitting compact region with electron density N e∼9×1016 cm−3, an order of magnitude higher than the gas atom density, was observed to form at the center of the layer. Zh. éksp. Teor. Fiz. 114, 1202–1214 (October 1998) |
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