Anomalous acceleration of minor ions in the solar wind [9]

J. F. Mckenzie; W. H. Ip; W. I. Axford

doi:10.1038/274350a0

Anomalous acceleration of minor ions in the solar wind [9]

J. F. Mckenzie, W. H. Ip, W. I. Axford

Graduate Institute of Astronomy

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

6 Scopus citations

Abstract

OBSERVATIONS of the solar wind plasma have shown that the bulk speed of helium ions often exceeds that of the protons, provided conditions are such that Coulomb collisions are ineffective in coupling the two species together ^1,2. We describe here a mechanism which could produce this unexpected effect for any minor ion species, based on the assumption that the sun is a copious emitter of Alfvén waves, as is indeed observed³.

Original language	English
Pages (from-to)	350-351
Number of pages	2
Journal	Nature
Volume	274
Issue number	5669
DOIs	https://doi.org/10.1038/274350a0
State	Published - 1978

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title = "Anomalous acceleration of minor ions in the solar wind [9]",

abstract = "OBSERVATIONS of the solar wind plasma have shown that the bulk speed of helium ions often exceeds that of the protons, provided conditions are such that Coulomb collisions are ineffective in coupling the two species together 1,2. We describe here a mechanism which could produce this unexpected effect for any minor ion species, based on the assumption that the sun is a copious emitter of Alfv{\'e}n waves, as is indeed observed3.",

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AU - Mckenzie, J. F.

AU - Ip, W. H.

AU - Axford, W. I.

PY - 1978

Y1 - 1978

N2 - OBSERVATIONS of the solar wind plasma have shown that the bulk speed of helium ions often exceeds that of the protons, provided conditions are such that Coulomb collisions are ineffective in coupling the two species together 1,2. We describe here a mechanism which could produce this unexpected effect for any minor ion species, based on the assumption that the sun is a copious emitter of Alfvén waves, as is indeed observed3.

AB - OBSERVATIONS of the solar wind plasma have shown that the bulk speed of helium ions often exceeds that of the protons, provided conditions are such that Coulomb collisions are ineffective in coupling the two species together 1,2. We describe here a mechanism which could produce this unexpected effect for any minor ion species, based on the assumption that the sun is a copious emitter of Alfvén waves, as is indeed observed3.

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DO - 10.1038/274350a0

M3 - 通訊期刊論文

AN - SCOPUS:36849162528

SN - 0028-0836

VL - 274

SP - 350

EP - 351

JO - Nature

JF - Nature

IS - 5669

ER -

Anomalous acceleration of minor ions in the solar wind [9]

Abstract

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