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dc.contributor.author
Mininni, Pablo Daniel  
dc.contributor.author
Alexakis, Alexandros  
dc.contributor.author
Pouquet, Annick  
dc.date.available
2019-01-09T17:12:05Z  
dc.date.issued
2007-12  
dc.identifier.citation
Mininni, Pablo Daniel; Alexakis, Alexandros; Pouquet, Annick; Energy transfer in Hall-MHD turbulence: Cascades, backscatter, and dynamo action; Cambridge University Press; Journal Of Plasma Physics; 73; 3; 12-2007; 377-401  
dc.identifier.issn
0022-3778  
dc.identifier.uri
http://hdl.handle.net/11336/67758  
dc.description.abstract
Scale interactions in Hall magnetohydrodynamics (MHDs) are studied using both the mean field theory derivation of transport coefficients, and direct numerical simulations in three space dimensions. In the magnetically dominated regime, the eddy resistivity is found to be negative definite, leading to large-scale instabilities. A direct cascade of the total energy is observed, although as the amplitude of the Hall effect is increased, backscatter of magnetic energy to large scales is found, a feature not present in MHD flows. The coupling between the magnetic and velocity fields is different than in the MHD case, and backscatter of energy from small-scale magnetic fields to large-scale flows is also observed. For the magnetic helicity, a strong quenching of its transfer is found. We also discuss non-helical magnetically forced Hall-MHD simulations where growth of a large-scale magnetic field is observed.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Cambridge University Press  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject.classification
Astronomía  
dc.subject.classification
Ciencias Físicas  
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS  
dc.title
Energy transfer in Hall-MHD turbulence: Cascades, backscatter, and dynamo action  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2019-01-09T14:23:48Z  
dc.journal.volume
73  
dc.journal.number
3  
dc.journal.pagination
377-401  
dc.journal.pais
Reino Unido  
dc.journal.ciudad
Cambridge  
dc.description.fil
Fil: Mininni, Pablo Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina  
dc.description.fil
Fil: Alexakis, Alexandros. National Center for Atmospheric Research; Estados Unidos  
dc.description.fil
Fil: Pouquet, Annick. National Center for Atmospheric Research; Estados Unidos  
dc.journal.title
Journal Of Plasma Physics  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1017/S0022377806004624