Shear Alfvén resonances in line-tied geometries near magnetic neutral lines and nulls

B. J. Albright; S. C. Cowley

doi:10.1063/1.1525410

Shear Alfvén resonances in line-tied geometries near magnetic neutral lines and nulls

Research output: Contribution to journal › Article › peer-review

Abstract

Shear Alfven resonances in line-tied magnetic geometries, geometries with discontinuities in the field line mapping, were studied. Qualitative differences in the two spectra, two-dimensional X-point and a three-dimensional magnetic hull, were observed. Results showed that the X-point geometry has Alfven resonances of vanishing frequency and the magnetic null geometry has a finite cutoff in resonant frequency for all field lines in the system.

Original language	English (US)
Pages (from-to)	241-248
Number of pages	8
Journal	Physics of Plasmas
Volume	10
Issue number	1
DOIs	https://doi.org/10.1063/1.1525410
State	Published - Jan 2003
Externally published	Yes

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1063/1.1525410

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title = "Shear Alfv{\'e}n resonances in line-tied geometries near magnetic neutral lines and nulls",

abstract = "Shear Alfven resonances in line-tied magnetic geometries, geometries with discontinuities in the field line mapping, were studied. Qualitative differences in the two spectra, two-dimensional X-point and a three-dimensional magnetic hull, were observed. Results showed that the X-point geometry has Alfven resonances of vanishing frequency and the magnetic null geometry has a finite cutoff in resonant frequency for all field lines in the system.",

author = "Albright, \{B. J.\} and Cowley, \{S. C.\}",

year = "2003",

month = jan,

doi = "10.1063/1.1525410",

language = "English (US)",

volume = "10",

pages = "241--248",

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publisher = "American Institute of Physics",

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T1 - Shear Alfvén resonances in line-tied geometries near magnetic neutral lines and nulls

AU - Albright, B. J.

AU - Cowley, S. C.

PY - 2003/1

Y1 - 2003/1

N2 - Shear Alfven resonances in line-tied magnetic geometries, geometries with discontinuities in the field line mapping, were studied. Qualitative differences in the two spectra, two-dimensional X-point and a three-dimensional magnetic hull, were observed. Results showed that the X-point geometry has Alfven resonances of vanishing frequency and the magnetic null geometry has a finite cutoff in resonant frequency for all field lines in the system.

AB - Shear Alfven resonances in line-tied magnetic geometries, geometries with discontinuities in the field line mapping, were studied. Qualitative differences in the two spectra, two-dimensional X-point and a three-dimensional magnetic hull, were observed. Results showed that the X-point geometry has Alfven resonances of vanishing frequency and the magnetic null geometry has a finite cutoff in resonant frequency for all field lines in the system.

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DO - 10.1063/1.1525410

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JO - Physics of Plasmas

JF - Physics of Plasmas

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Shear Alfvén resonances in line-tied geometries near magnetic neutral lines and nulls

Abstract

All Science Journal Classification (ASJC) codes

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