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Open Access research with a European policy impact...

The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the European Policies Research Centre (EPRC).

EPRC is a leading institute in Europe for comparative research on public policy, with a particular focus on regional development policies. Spanning 30 European countries, EPRC research programmes have a strong emphasis on applied research and knowledge exchange, including the provision of policy advice to EU institutions and national and sub-national government authorities throughout Europe.

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Auroral particle acceleration by waves

Bingham, R. and Cairns, R.A. and Dendy, R.O. and Shapiro, V.D. and Shukla, P.K. and Stenflo, L. (2001) Auroral particle acceleration by waves. Physics and Chemistry of the Earth, Part C: Solar-Terrestrial & Planetary Science, 26 (1-3). pp. 133-144.

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Abstract

The role of waves in accelerating both electrons and ions in the auroral zone is discussed. Various wave generation mechanisms and acceleration processes including acceleration within cavitons and nonlinear potential structures are analysed. The wave modes which we consider include waves such as kinetic Alfvén waves, and lower-hybrid waves. In some cases wave amplitudes are found to be large enough for strong turbulence effect to play a significant role in the particle dynamics. These effects manifest themselves in the formation of caviton structures and large scale density striations creating local acceleration regions. A theoretical description of the different nonlinear processes responsible for plasma modification and acceleration will be presented.