Direct simulations of helical Hall-MHD turbulence and dynamo action
- Autores
- Mininni, Pablo Daniel; Gomez, Daniel Osvaldo; Mahajan, Swadesh M.
- Año de publicación
- 2005
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Direct numerical simulations of turbulent Hall dynamos are presented. The evolution of an initially weak and small-scale magnetic field in a system maintained in a stationary turbulent regime by a stirring force at a macroscopic scale is studied to explore the conditions for exponential growth of the magnetic energy. Scaling of the dynamo efficiency with Reynolds numbers is studied, and the resulting total energy spectra are found to be compatible with a Kolmogorov-type law. A faster growth of large-scale magnetic fields is observed at intermediate intensities of the Hall effect.
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
Fil: Gomez, Daniel Osvaldo. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina
Fil: Mahajan, Swadesh M.. University of Texas at Austin; Estados Unidos - Materia
- Magnetohydrodynamic dynamo
- Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/22057
Ver los metadatos del registro completo
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Direct simulations of helical Hall-MHD turbulence and dynamo actionMininni, Pablo DanielGomez, Daniel OsvaldoMahajan, Swadesh M.Magnetohydrodynamic dynamohttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1Direct numerical simulations of turbulent Hall dynamos are presented. The evolution of an initially weak and small-scale magnetic field in a system maintained in a stationary turbulent regime by a stirring force at a macroscopic scale is studied to explore the conditions for exponential growth of the magnetic energy. Scaling of the dynamo efficiency with Reynolds numbers is studied, and the resulting total energy spectra are found to be compatible with a Kolmogorov-type law. A faster growth of large-scale magnetic fields is observed at intermediate intensities of the Hall effect.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; ArgentinaFil: Gomez, Daniel Osvaldo. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; ArgentinaFil: Mahajan, Swadesh M.. University of Texas at Austin; Estados UnidosIOP Publishing2005-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/22057Mininni, Pablo Daniel; Gomez, Daniel Osvaldo; Mahajan, Swadesh M.; Direct simulations of helical Hall-MHD turbulence and dynamo action; IOP Publishing; Astrophysical Journal; 619; 2; 12-2005; 1019-10270004-637XCONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://iopscience.iop.org/article/10.1086/426534info:eu-repo/semantics/altIdentifier/doi/10.1086/426534info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/astro-ph/0410274info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:29:36Zoai:ri.conicet.gov.ar:11336/22057instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:29:36.84CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Direct simulations of helical Hall-MHD turbulence and dynamo action |
title |
Direct simulations of helical Hall-MHD turbulence and dynamo action |
spellingShingle |
Direct simulations of helical Hall-MHD turbulence and dynamo action Mininni, Pablo Daniel Magnetohydrodynamic dynamo |
title_short |
Direct simulations of helical Hall-MHD turbulence and dynamo action |
title_full |
Direct simulations of helical Hall-MHD turbulence and dynamo action |
title_fullStr |
Direct simulations of helical Hall-MHD turbulence and dynamo action |
title_full_unstemmed |
Direct simulations of helical Hall-MHD turbulence and dynamo action |
title_sort |
Direct simulations of helical Hall-MHD turbulence and dynamo action |
dc.creator.none.fl_str_mv |
Mininni, Pablo Daniel Gomez, Daniel Osvaldo Mahajan, Swadesh M. |
author |
Mininni, Pablo Daniel |
author_facet |
Mininni, Pablo Daniel Gomez, Daniel Osvaldo Mahajan, Swadesh M. |
author_role |
author |
author2 |
Gomez, Daniel Osvaldo Mahajan, Swadesh M. |
author2_role |
author author |
dc.subject.none.fl_str_mv |
Magnetohydrodynamic dynamo |
topic |
Magnetohydrodynamic dynamo |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.3 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Direct numerical simulations of turbulent Hall dynamos are presented. The evolution of an initially weak and small-scale magnetic field in a system maintained in a stationary turbulent regime by a stirring force at a macroscopic scale is studied to explore the conditions for exponential growth of the magnetic energy. Scaling of the dynamo efficiency with Reynolds numbers is studied, and the resulting total energy spectra are found to be compatible with a Kolmogorov-type law. A faster growth of large-scale magnetic fields is observed at intermediate intensities of the Hall effect. 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 Fil: Gomez, Daniel Osvaldo. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina Fil: Mahajan, Swadesh M.. University of Texas at Austin; Estados Unidos |
description |
Direct numerical simulations of turbulent Hall dynamos are presented. The evolution of an initially weak and small-scale magnetic field in a system maintained in a stationary turbulent regime by a stirring force at a macroscopic scale is studied to explore the conditions for exponential growth of the magnetic energy. Scaling of the dynamo efficiency with Reynolds numbers is studied, and the resulting total energy spectra are found to be compatible with a Kolmogorov-type law. A faster growth of large-scale magnetic fields is observed at intermediate intensities of the Hall effect. |
publishDate |
2005 |
dc.date.none.fl_str_mv |
2005-12 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/22057 Mininni, Pablo Daniel; Gomez, Daniel Osvaldo; Mahajan, Swadesh M.; Direct simulations of helical Hall-MHD turbulence and dynamo action; IOP Publishing; Astrophysical Journal; 619; 2; 12-2005; 1019-1027 0004-637X CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/22057 |
identifier_str_mv |
Mininni, Pablo Daniel; Gomez, Daniel Osvaldo; Mahajan, Swadesh M.; Direct simulations of helical Hall-MHD turbulence and dynamo action; IOP Publishing; Astrophysical Journal; 619; 2; 12-2005; 1019-1027 0004-637X CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/http://iopscience.iop.org/article/10.1086/426534 info:eu-repo/semantics/altIdentifier/doi/10.1086/426534 info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/astro-ph/0410274 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
IOP Publishing |
publisher.none.fl_str_mv |
IOP Publishing |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1844614302726619136 |
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13.070432 |