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Relativistic magnetic reconnection at X-type neutral points - MaRDI portal

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Relativistic magnetic reconnection at X-type neutral points

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Publication:4905734

DOI10.1051/0004-6361/201116562zbMATH Open1260.85110arXiv1104.1003OpenAlexW3105744676WikidataQ68999054 ScholiaQ68999054MaRDI QIDQ4905734

Author name not available (Why is that?)

Publication date: 20 February 2013

Published in: (Search for Journal in Brave)

Abstract: Relativistic effects in the oscillatory damping of magnetic disturbances near two-dimensional X-points are investigated. By taking into account displacement current, we study new features of extremely magnetized systems, in which the Alfv'en velocity is almost the speed of light. The frequencies of the least-damped mode are calculated using linearized relativistic MHD equations for wide ranges of the Lundquist number S and the magnetization parameter sigma. These timescales approach constant values in the large resistive limit: the oscillation time becomes a few times the light crossing time, irrespective of sigma, and the decay time is proportional to sigma and therefore is longer for a highly magnetized system.


Full work available at URL: https://arxiv.org/abs/1104.1003



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