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Lane Beale edited figures/Screen Shot 2014-03-19 at 11.37.20 PM/caption.tex
about 10 years ago
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Replace this text \section{Data Analysis}
Traces over varying frequencies with
your caption steady state density and magnetic field gave a definitive cone structure reminiscent of the theorized resonance cones. Taking the largest value observed and comparing with the theoretical values calculated in equation (9), it can be seen the values measured follow the same trend, with a consistent error of less about 3 degrees in magnitude, as shown in figure 3. Consideration of the structure of the electric field as seen in figure 5 shows that the oscillating charge gives rise to not one, but multiple cones, as would be predicted by Burrel [3] when dealing with a nonzero electron temperature. According to Burrel, in the prescence of a magnetized plasma, a nonzero electron temperature should modify the cold plasma resonance cone structure to include angles determined by the Airy function, allowing for the propogation of nearly undamped ion acoustic waves. These angles would respresent the allowed direction of the phase velocity vectors [4]. This experiment focused on cones representing the group velocity vectors, compared to theory operating under the assumption that $T_{e}=0$.
