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Measurements of the Shear Alfvén Wave Dispersion for Finite Perpendicular Wave Number
January 23 2003
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Abstract
<p class="first" id="d3552518e77">Measurements of the dispersion relation for shear
Alfvén waves as a function of the
perpendicular wave number are reported for the regime in which V(A) approximately
V(Te). By measuring the parallel phase velocity of the waves, the measurements can
be compared directly to theoretical predictions of the dispersion relation for a parameter
regime in which particle kinetic effects become important. The comparison shows that
the best agreement between theory and experiment is achieved when a fully complex,
warm plasma dispersion relation is used.
</p>