UNSPECIFIED (2000) Enhanced pitch angle diffusion due to electron-whistler interactions during disturbed times. In: 5th International Conference on Substorms, MAY 16-20, 2000, ARCTIC & ANTARCTIC RES INST CONGRESS CTR, ST PETERSBURG, RUSSIA.

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Abstract

During periods of increased magnetospheric activity, whistler wave emissions have been observed with increased wave amplitudes. We consider a pitch angle diffusion mechanism that is shown to scale with whistler wave amplitude and hence is 'switched on' during these periods of intense activity. We consider the interaction between relativistic electrons and two oppositely directed, parallel propagating whistler mode waves. We show that for intense whistlers this process is stochastic and results in strong electron pitch angle diffusion. We show that the interaction is rapid, occur on timescales of the order of tens of electron gyroperiods and that the interaction is sensitive to wave amplitude, wave frequency and electron energy.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	Q Science > QB Astronomy
Series Name:	ESA SPECIAL PUBLICATIONS
Journal or Publication Title:	PROCEEDINGS OF THE FIFTH INTERNATIONAL CONFERENCE ON SUBSTORMS
Publisher:	ESA PUBLICATIONS DIVISION C/O ESTEC
ISBN:	92-9092-772-0
ISSN:	0379-6566
Editor:	Wilson, A
Date:	2000
Volume:	443
Number of Pages:	4
Page Range:	pp. 217-220
Publication Status:	Published
Title of Event:	5th International Conference on Substorms
Location of Event:	ARCTIC & ANTARCTIC RES INST CONGRESS CTR, ST PETERSBURG, RUSSIA
Date(s) of Event:	MAY 16-20, 2000
URI:	http://wrap.warwick.ac.uk/id/eprint/11432

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