Role of Ion Kinetic Physics in the Interaction of Magnetic Flux Ropes

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dc.contributor.authorStanier, A.
dc.contributor.authorDaughton, W.
dc.contributor.authorChacón, L.
dc.contributor.authorKarimabadi, H.
dc.contributor.authorNg, Jonathan
dc.contributor.authorHuang, Y.-M.
dc.contributor.authorHakim, A.
dc.contributor.authorBhattacharjee, A.
dc.date.accessioned2021-07-27T14:07:51Z
dc.date.available2021-07-27T14:07:51Z
dc.date.issued2015-10-21
dc.description.abstractTo explain many natural magnetized plasma phenomena, it is crucial to understand how rates of collisionless magnetic reconnection scale in large magnetohydrodynamic (MHD) scale systems. Simulations of isolated current sheets conclude such rates are independent of system size and can be reproduced by the Hall-MHD model, but neglect sheet formation and coupling to MHD scales. Here, it is shown for the problem of flux-rope merging, which includes this formation and coupling, that the Hall-MHD model fails to reproduce the kinetic results. The minimum sufficient model must retain ion kinetic effects, which set the ion diffusion region geometry and give time-averaged rates that reduce significantly with system size, leading to different global evolution in large systems.en_US
dc.description.sponsorshipThis work is supported by NSF Grant No. AGS1338944, and used resources provided by the Los Alamos National Laboratory Institutional Computing Program, which is supported by the U.S. Department of Energy National Nuclear Security Administration under Contract No. DE-AC52-06NA25396.en_US
dc.description.urihttps://journals.aps.org/prl/abstract/10.1103/PhysRevLett.115.175004en_US
dc.format.extent2 filesen_US
dc.genrejournal articlesen_US
dc.identifierdoi:10.13016/m2xlru-jip8
dc.identifier.citationStanier, A. et al.; Role of Ion Kinetic Physics in the Interaction of Magnetic Flux Ropes; Physical Review Letters, 115, 175004, 21 October, 2015; https://doi.org/10.1103/PhysRevLett.115.175004en_US
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.115.175004
dc.identifier.urihttp://hdl.handle.net/11603/22144
dc.language.isoen_USen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Goddard Planetary Heliophysics Institute (GPHI)
dc.rightsThis item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.
dc.rightsPublic Domain Mark 1.0*
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/*
dc.titleRole of Ion Kinetic Physics in the Interaction of Magnetic Flux Ropesen_US
dc.typeTexten_US

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