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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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Electrodynamics effects in beam/return current systems and their implications for solar impulsive bursts

Brown, J. C. and Bingham, R. (1984) Electrodynamics effects in beam/return current systems and their implications for solar impulsive bursts. Astronomy and Astrophysics, 131 (2). L11-L14. ISSN 0004-6361

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Abstract

The electrodynamics of electron beam neutralisation in solar flares is discussed in order to resolve recent controversy over the origin and evolution of the return current. It is demonstrated that return currents are established electrostatically and that the large radii of flare beams imply a resistive time scale so long that inductive effects are negligible along the finite beam length, even for anomalous conductivities. Consequently the commonly used steady state electrostatic (Knight and Sturrock) treatment of return current dissipation in flares is amply justified.