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Electron energization in lunar magnetospheres

Published online by Cambridge University Press:  20 August 2010

R. BINGHAM ,
R. BAMFORD ,
B. J. KELLETT  and
V. D. SHAPIRO
R. BINGHAM
Affiliation:
Rutherford Appleton Laboratory, Didcot OX11 0QX, UK (bob.bingham@stfc.ac.uk)
R. BAMFORD
Affiliation:
Rutherford Appleton Laboratory, Didcot OX11 0QX, UK (bob.bingham@stfc.ac.uk)
B. J. KELLETT
Affiliation:
Rutherford Appleton Laboratory, Didcot OX11 0QX, UK (bob.bingham@stfc.ac.uk)
V. D. SHAPIRO
Affiliation:
Department of Physics, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
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Abstract

The interaction of the solar wind with lunar surface magnetic fields produces a bow shock and a magnetosphere-like structure. In front of the shock wave energetic electrons up to keV energies are produced. This paper describes how resonant interactions between plasma turbulence in the form of lower-hybrid waves and electrons can result in field aligned electron acceleration. The turbulent wave fields close to the lower-hybrid resonant frequency are excited most probably by the modified two-stream instability, driven by the solar wind ions that are reflected and deflected by the low shock.

Type
Papers
Information
Journal of Plasma Physics , Volume 76 , Special Issue 6: Advances in Photon Physics , December 2010 , pp. 915 - 918
Copyright
Copyright © Cambridge University Press 2010

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