On the Exospheric Approach for the Solar Wind Acceleration |
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| Authors: | Milan Maksimovic Viviane Pierrard Joseph Lemaire |
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| Institution: | (1) DESPA, Observatoire de Paris-Meudon, France;(2) Institut d'Aéronomie Spatiale de Belgique, Brussels, Belgium |
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| Abstract: | We present the basics of the exospheric models of the solar wind acceleration. In these models the plasma is assumed fully
collisionless above a typical altitude in the corona. The solar wind is accelerated by the interplanetary electrostatic potential
which is needed to warrant the equality of the proton and electron fluxes. These models suggest that the fast wind emanating
from the polar regions could be due to the presence of non-thermal electron distributions in the corona.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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