Ion-temperature anisotropies and the structure of the solar wind

Aharon Eviatar; Michael Schulz

doi:10.1016/0032-0633(70)90171-6

Ion-temperature anisotropies and the structure of the solar wind

Aharon Eviatar^*, Michael Schulz

^*Corresponding author for this work

Department of Geophysics

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

Abstract

The introduction of a kinetic equation for the interplanetary medium makes possible a quantitative test of several recently proposed mechanisms for limiting ion-temperature anisotropies in the solar wind. The results suggest that Coulomb collisions and an ion-cyclotron instability contribute comparably to the establishment of this limit under solar-wind conditions usually observed. Conditions favorable to the firehose instability seem to occur only on rare occasions.

Original language	English
Pages (from-to)	321-332
Number of pages	12
Journal	Planetary and Space Science
Volume	18
Issue number	3
DOIs	https://doi.org/10.1016/0032-0633(70)90171-6
State	Published - Mar 1970

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title = "Ion-temperature anisotropies and the structure of the solar wind",

abstract = "The introduction of a kinetic equation for the interplanetary medium makes possible a quantitative test of several recently proposed mechanisms for limiting ion-temperature anisotropies in the solar wind. The results suggest that Coulomb collisions and an ion-cyclotron instability contribute comparably to the establishment of this limit under solar-wind conditions usually observed. Conditions favorable to the firehose instability seem to occur only on rare occasions.",

author = "Aharon Eviatar and Michael Schulz",

year = "1970",

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doi = "10.1016/0032-0633(70)90171-6",

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journal = "Planetary and Space Science",

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T1 - Ion-temperature anisotropies and the structure of the solar wind

AU - Eviatar, Aharon

AU - Schulz, Michael

PY - 1970/3

Y1 - 1970/3

N2 - The introduction of a kinetic equation for the interplanetary medium makes possible a quantitative test of several recently proposed mechanisms for limiting ion-temperature anisotropies in the solar wind. The results suggest that Coulomb collisions and an ion-cyclotron instability contribute comparably to the establishment of this limit under solar-wind conditions usually observed. Conditions favorable to the firehose instability seem to occur only on rare occasions.

AB - The introduction of a kinetic equation for the interplanetary medium makes possible a quantitative test of several recently proposed mechanisms for limiting ion-temperature anisotropies in the solar wind. The results suggest that Coulomb collisions and an ion-cyclotron instability contribute comparably to the establishment of this limit under solar-wind conditions usually observed. Conditions favorable to the firehose instability seem to occur only on rare occasions.

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U2 - 10.1016/0032-0633(70)90171-6

DO - 10.1016/0032-0633(70)90171-6

M3 - מאמר

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VL - 18

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EP - 332

JO - Planetary and Space Science

JF - Planetary and Space Science

SN - 0032-0633

IS - 3

ER -

Ion-temperature anisotropies and the structure of the solar wind

Abstract

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