dor_id: 4132401

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650.#.4.x: Físico Matemáticas y Ciencias de la Tierra

336.#.#.b: article

336.#.#.3: Artículo de Investigación

336.#.#.a: Artículo

351.#.#.6: http://revistagi.geofisica.unam.mx/index.php/RGI

351.#.#.b: Geofísica Internacional

351.#.#.a: Artículos

harvesting_group: RevistasUNAM

270.1.#.p: Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

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100.1.#.a: Speicer, T. W.

524.#.#.a: Speicer, T. W. (1991). Particle dynamics in the Earth"s magnetospheric tail. Geofísica Internacional; Vol. 30 Núm. 4: Octubre 1, 1991; 219-224. Recuperado de https://repositorio.unam.mx/contenidos/4132401

245.1.0.a: Particle dynamics in the Earth"s magnetospheric tail

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Geofísica, UNAM

264.#.0.c: 1991

264.#.1.c: 1991-10-01

653.#.#.a: Magnetosfera; Partículas cargadas; Hoja de corriente; Subtormentas; Caos; Magnetosphere; Charged particles; Current sheet; Substorrns

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-ND 4.0 Internacional, https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico revistagi@igeofisica.unam.mx

884.#.#.k: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/1230

001.#.#.#: 063.oai:revistagi.geofisica.unam.mx:article/1230

041.#.7.h: spa

520.3.#.a: In this paper, we will review basic particle motion in current sheets. The current sheet in the Earth"s magnetospheric tail is but one example of naturally occurring current sheets. Other examples include: the heliospheric current sheet in the solar wind; solar flare and prominence ejection current sheets; the Earth"s dayside magnetopause current sheet; Jupiter"s magnetodisk; pulsar and galactic current sheets. For small, nearly constant normal magnetic field, Bz, particles oscillate about the current sheet and "live" within the sheet for one-half gyroperiod about Bz. This lifetime replaces the mean collision time in the Lorentzian electric conductivity expression, and thus gives rise to the concept of an inertial conductivity. A terrestrial magnetospheric substorm model by Coroniti (1985) utilizes this inertial conductivity to allow reconnection to proceed without anomalous processes. Chaotic particle orbits may, at times, be important to the dynamics, depending on parameters such as particle energy, current sheet thickness, and field line curvature. A current sheet model with a neutral line predicts a ridge structure and asymmetries in the distribution function. Some recent observations of ion distributions from the ISEE and AMPTE satellites are consistent with predictions of the model. Some remaining problems will be outlined.

773.1.#.t: Geofísica Internacional; Vol. 30 Núm. 4: Octubre 1, 1991; 219-224

773.1.#.o: http://revistagi.geofisica.unam.mx/index.php/RGI

022.#.#.a: ISSN-L: 2954-436X; ISSN impreso: 0016-7169

310.#.#.a: Trimestral

300.#.#.a: Páginas: 219-224

264.#.1.b: Instituto de Geofísica, UNAM

doi: https://doi.org/10.22201/igeof.00167169p.1991.30.4.1230

handle: 1aa49644626199ba

harvesting_date: 2023-06-20 16:00:00.0

856.#.0.q: application/pdf

file_creation_date: 2022-07-05 10:54:13.0

file_modification_date: 2022-07-24 02:46:05.0

file_creator: T.W. Speiser

file_name: aeea3ecb8a077614a399c565b79f02e48d4be9a98c041867c873994487c5c1af.pdf

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245.1.0.b: Particle dynamics in the Earth"s magnetospheric tail

last_modified: 2023-06-20 16:00:00

license_url: https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode.es

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Artículo

Particle dynamics in the Earth"s magnetospheric tail

Speicer, T. W.

Instituto de Geofísica, UNAM, publicado en Geofísica Internacional, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Entidad o dependencia
Instituto de Geofísica, UNAM
Revista
Repositorio
Contacto
Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

Cita

Speicer, T. W. (1991). Particle dynamics in the Earth"s magnetospheric tail. Geofísica Internacional; Vol. 30 Núm. 4: Octubre 1, 1991; 219-224. Recuperado de https://repositorio.unam.mx/contenidos/4132401

Descripción del recurso

Autor(es)
Speicer, T. W.
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Particle dynamics in the Earth"s magnetospheric tail
Fecha
1991-10-01
Resumen
In this paper, we will review basic particle motion in current sheets. The current sheet in the Earth"s magnetospheric tail is but one example of naturally occurring current sheets. Other examples include: the heliospheric current sheet in the solar wind; solar flare and prominence ejection current sheets; the Earth"s dayside magnetopause current sheet; Jupiter"s magnetodisk; pulsar and galactic current sheets. For small, nearly constant normal magnetic field, Bz, particles oscillate about the current sheet and "live" within the sheet for one-half gyroperiod about Bz. This lifetime replaces the mean collision time in the Lorentzian electric conductivity expression, and thus gives rise to the concept of an inertial conductivity. A terrestrial magnetospheric substorm model by Coroniti (1985) utilizes this inertial conductivity to allow reconnection to proceed without anomalous processes. Chaotic particle orbits may, at times, be important to the dynamics, depending on parameters such as particle energy, current sheet thickness, and field line curvature. A current sheet model with a neutral line predicts a ridge structure and asymmetries in the distribution function. Some recent observations of ion distributions from the ISEE and AMPTE satellites are consistent with predictions of the model. Some remaining problems will be outlined.
Tema
Magnetosfera; Partículas cargadas; Hoja de corriente; Subtormentas; Caos; Magnetosphere; Charged particles; Current sheet; Substorrns
Idioma
spa
ISSN
ISSN-L: 2954-436X; ISSN impreso: 0016-7169

Enlaces