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Title: Association of fire-hose instability and geomagnetic activity in the plasma sheet
Authors: Bindu, S
Renuka, G
Venugopal, C
Issue Date: Jun-1996
Publisher: NISCAIR-CSIR, India
Abstract: During maximum solar activity years (1978-79) and at low geomagnetic activity, the temperature of plasma sheet (PS) in the tail region of earth’s magnetosphere is found to be decreasing. The heating of the plasma sheet ions can occur both adiabatically and non-adiabatically. The strong ion heating associated with substorm-onset occurs in a non-adiabatic fashion with a strong increase of specific entropy, and this heating is found to be localized since both low and high entropy plasmas are present in the plasma sheet. During high activity periods, plasma sheets was found to be surviving against particle loss and heat transport. The chaotic behaviour of the plasma sheet during the selected substorm events is also discussed.
Page(s): 168-172
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.25(3) [June 1996]

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